－Is that your bike in front of the black one?－No. It’s . A. mine B. his C. herD. your

问题补充：

－Is that your bike, in front of the black one?

－No. It’s .

A. mine

B. his

C. her

D. your

答案：

A. mine

(答案→)B. his

C. her

D. your

解析：mine名词性物主代词,我的;his 形容词性物主代词,他的;her人称代词宾格,她,物主代词,她的;your,物主代词,你的. 句意:那是你的自行车吗——黑色的那辆前面的?——不，那是他的。结合语境可知排除AD，选项C不能用作表语，故选B。