—What do you think of his talk on the Information Technology?—Oh very good. It’s worth .A

问题补充：

—What do you think of his talk on the Information Technology?

—Oh, very good. It’s worth .

A. listening to

B. to listen to

C. listening

D. hearing

答案：

(答案→)A. listening to

B. to listen to

C. listening

D. hearing

解析：listen to 听，强调听得动作；hear听见，强调听的结果。句意：你认为他关于信息技术的演讲怎么样？——哦，非常不错。值得一听。Be worth doing值得做某事。故选A。