—Do you think Jim can manage it by himself?—. He is expert at dealing with such a matter.A

问题补充：

—Do you think Jim can manage it by himself?

—. He is expert at dealing with such a matter.

A. Take care

B. Im not sure

C. Don worry

D. Don mention it

答案：

A. Take care

B. Im not sure

(答案→)C. Don worry

D. Don mention it

解析：选C考查情景交际。句意：“你认为吉姆可以自己处理此事吗？”“别担心。他处理那样的事情很在行。”根据空格后的内容可知，应选C，表示“别担心”。