Which statement is a contraceptive of p?
p: If x is divisible by 4, then x is divisible by 2.

A. If x is divisible by 2, then x is divisible by 4.

B. If x isn’t divisible by 4, then x isn’t divisible by 2.

C. If x isn’t divisible by 2, then x isn’t divisible by 4.

D. If x is divisible by 2, then x isn’t divisible by 4.

E. If x isn’t divisible by 4, then x is divisible by 2.