–Is this your pen? —No it isn’t. It’s pen.A. myB. herC. heD. him

问题补充：

–Is this your pen? —No, it isn’t. It’s pen.

A. my

B. her

C. he

D. him

答案：

A. my

(答案→)B. her

C. he

D. him

解析：考查代词。句意：这是你的钢笔吗？——不他不是。它是它的钢笔。结合语境可知选B，形容词性物主代词做定语。