— Tom. Is this your pen?—No it isn’t. I think it’s .A. Excuse me; JackB. Sorry; Jack’sC.

问题补充：

—, Tom. Is this your pen?

—No, it isn’t. I think it’s .

A. Excuse me; Jack

B. Sorry; Jack’s

C. Excuse me; Jack’s

D. Sorry; Jack

答案：

A. Excuse me; Jack

(答案→)B. Sorry; Jack’s

C. Excuse me; Jack’s

D. Sorry; Jack

解析：做某事前, 打扰别人或麻烦人家时常用excuse me；对做过的事情或未能给予别人满意的答复或帮助时常用sorry。由上下文可知，第二个空应该用Jack的名词性物主代词，因此选C。