Which one of the following sentences contains an incorrect usage of the singular possessive?

AMary was dominant among Jesus' disciples.
BThe alpha male is often the pack's leader.
CIcarus's fate was sealed when he approached the sun.
DThe north forty has always been my family's land.

Verified Answer :

the correct answer is (C)

c) should be your answer i got it right in my exam....GOOD LUCK!