---The world is becoming smaller and smaller because of the Internet.----.A. No problemB.

问题补充：

---The world is becoming smaller and smaller because of the Internet.

----.

A. No problem

B. Exactly

C. All right.

D. That is all right.

答案：

A. No problem

(答案→)B. Exactly

C. All right.

D. That is all right.

解析：句意：--由于有因特网，世界正变得越来越小。--确实如此。分析No problem没问题；Exactly确实如此；All right全对；That is all right没关系。分析原文是赞成对方的说法，因此表示确实如此。故选B。