Which sentence properly introduces a quoted source? a. mathewson: "fifty percent of today's high school graduates will attend college for at least one year."b. according to mathewson, "ten percent of college students will graduate within four years of beginning college."c. "when more than twenty-five percent of college students drop out, a college should take action."d. mathewsons research has produced interesting conclusions. "fifteen percent of college applicants are over 40 years old."

answer: d.she abandons people when they least expect it.

in the monk's tale, we encounter seventeen stories that relate historical events. all of these stories have tragic commonalities. they tell the stories of heroes who, despite their success in life, all met sad ends. the monk blames these sad outcomes on fortune. one of fortune's traits is that she abandons people when they least expect it. this is one of the most common themes of medieval tragedies.

sir, we have done everything that could be done to avert the storm which is now coming on" is the sentence that best articulates this. then he gives the examples.   mark me brainliest