PLZ HELP Which of the following is an introductory paragraph?

A. Have you ever wondered what it would be like to travel to space? An astronaut’s job seems like a very grand adventure. However, being an astronaut is not easy. Astronauts have a hard job because they must endure a difficult application process, go through extensive training, and conduct comprehensive studies and experiments.

B. After an applicant has been accepted into the Astronaut Candidate Program, he or she will undergo one to two years of training. Candidates attend classes on various subjects including those in shuttle systems, astronomy, oceanography, and many science and technology courses. Furthermore, the candidates need to learn some basic survival skills, especially survival swimming. Finally, they experience what it feels like to be weightless and learn how to maneuver in these conditions.

Paragraph A
Paragraph B

This is always in the form of "to" + a verb-like word. this verbal unit in a sentence actually acts as a noun, adjective, or adverb, rather than a verb. example: ("to carry," "to think," "to laugh")

Which best explains how this excerpt creates suspense it develops the plot using dialogue instead of description. it explains that the fishermen have found two graves on the island. it shows that manjiro is a character who asks a lot of questions. it includes a question that the reader will want to know the answer to.

Consider the text from "machu picchu: a city in the sky” and its central idea. informational text: every year, thousands of tourists come to peru to see machu picchu. to reach machu picchu, tourists can hike along the famous inca trail. the trail covers twenty-six miles. it winds through beautiful mountains, forests, and jungle. visitors can also take a bus or train ride up to the ruins. the train takes you past miles of farmland along the urubamba river valley. above are the andes mountains. the tops of the mountains are often covered with mist. then, the train goes up a mountain on a winding road. the road climbs almost 1,640 feet. other incan ruins can be seen beside the road. most are very small compared to the city ahead. central idea: tourists enjoy visiting machu picchu in the mountains of peru. what supporting detail is most important to include in a summary of this text? people can hike the inca trail or take a train or bus to reach machu picchu. when people travel to machu picchu, they see miles of surrounding farms. people are surprised by the mist on the peaks of the andes mountains. when people visit machu picchu, they sometimes see other smaller ruins.