Asking yourself questions can you find the main idea of a story because it can teach you some important facts about the author prove to others that you have done your work make you focus on the most important details demonstrate an accurate citation process

i believe the answer is: b. mr. head had a long, tube-like face with a rounded open jaw and a short depressed nose.

this is because in the un-revised sentence it said that mr. heads face was long and tube-like, and he had a rounded open jaw. this is not a very grammatically correct because of how it seems to drag on with the and, replaced with, with, makes it sound more fluent in the description.

the emperor is made to look inferior next to faustus's power.