How do you think the world could benefit from the discoveries Domitilla is working on? Which one do you think is more important to eliminate ?

this is an ad? the hell is your audience bro xd

explanation:

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 correct answer is: d