Answer:
The answer is C.
Step-by-step explanation:
For the example given in the question, the mutations that occur in the eye, leg or the digestive system of the one fruit fly can not be passed on the to offspring because the genetic changes are not in the reproductive cells which are eggs and sperm. The option given in C, a mutation that happens in the sperm, can be passed on to the offspring by the fruit fly.
I hope this answer helps.