[求助]97-10-8菜鸟求助！

8. The photographs of Carrie Mae Weems, in which she often makes her family members _____, are an affectionate and incisive representation of the African American experience.

(A)  are her subjects

(B)  her subjects

(C)  are subjects

(D)  which her subjects.

为什么选B啊？做什么成分？D可以吗？