I think the correct answer from the choices listed above is the last option. It is in the sentence "We were stuck in the parking lot behind all the exiting cars." that the word exiting is a gerund. Gerunds<span> are words that are formed with verbs but act as nouns. Hope this answers the question. Have a nice day.</span>
A which is a direct object
I agree with you on #1.
#2 is make use of his skills in surgery. You want to prove that dispensary has something to do with medicine. Children at an orphanage doesn't include medicine. Anatomy at the medical college puts the medicine in a different place than the dispensary.
It is Friendships between women.