---Dave is this your English textbook?-No it isn’t mine. Maybe it’s .A. Jim’sB. heC.

问题补充：

---Dave, is this your English textbook?

---No, it isn’t mine. Maybe it’s .

A. Jim’s

B. he

C. him

D. Jim

答案：

(答案→)A. Jim’s

B. he

C. him

D. Jim

解析：表示物体所属关系，用名词所有格，故选A