What happens during fertilization when many sperms reach close to ovum?

Options

A. Cells of corona radiata trap all the sperms except one
B. Only two sperms nearest to ovum penetrate zona pellucida
C. Secretion of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
D. All sperms except the one nearest to ovum lose their tails

Answer

C

Explanation

Secretion of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida.