Which of the Following Statements Explains Why Animals Are Less

Which of the following statements explains why animals are less likely than plants to speciate by polyploidy?

A) Animals self-fertilize less often than plants,so diploid gametes are less likely to fuse.
B) Animals have better mechanisms for repairing chromosomes than plants have.
C) Animals are more mobile,so have more effective prezygotic isolating mechanisms.
D) Animals are more mobile,so populations get separated far less often.
E) Animals use a more rigorous form of meiosis than plants,making diploid gametes much harder to form.