I don't think doctors are supposed to do that but if they are I'm guessing it's probably to kill a infection of some kind or speed up the healing process
Answer: your answer is C
Explanation: I had the same problem
The correct answer is:
B.) A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat.
Believe me, I just took the quiz and got the answers back, and I got this wrong because of the answer I got from here was WRONG!!
So happy to help :)