一 Hi Jim! Is this your bike or Marys?— Its mine not .A. herB. himC. hisD. hers

问题补充：

一 Hi, Jim! Is this your bike or Marys?

— Its mine, not .

A. her

B. him

C. his

D. hers

答案：

A. her

B. him

C. his

(答案→)D. hers

解析：名词性物主代词。答句意为“是我的，不是她的”，此处用名女性的名词性物主代词，因此选D。