D
the reality is that most mutations are disgusting and not like xmen (although mothing could surpass xmen in coolness and awesomeness). mutations is just another word for deformations
C
Mutations can manifest in any number of ways. A deformity is a mutation if it occurs in the womb, but a mutation is not a deformity.
C
I have a mutation but i'm not deformed, my three middle toes on each feet are as flexible as my three middle fingers just not as long, they aren't deformaties