Mort's Twin, Velma, Flies to a Distant Star at High

Multiple Choice

Mort's twin, Velma, flies to a distant star at high speed and returns to Mort on Earth. She then finds that

A) she has been changed into a giraffe.
B) she is younger than Mort.
C) Mort is younger than her.
D) they are the same age.
E) they are both younger than each other.