Within a Large Population, If No Mutations Occur, No Migration

Multiple Choice

Within a large population, if no mutations occur, no migration occurs, all matings are random, and each individual has an equal chance of reproducing, which of the following will probably happen?

A) A change in allele frequency will lead to rapid evolution.
B) Extinction will result.
C) Natural selection will occur at the normal rate for that species.
D) A bottleneck will occur.
E) No evolution will occur.