The Internet has become increasingly popular us to see as well as to hear all kinds of

问题补充：

The Internet has become increasingly popular, us to see as well as to hear all kinds of programmes.

A. to allow

B. allowing

C. allowed

D. having allowed

答案：

A. to allow

(答案→)B. allowing

C. allowed

D. having allowed

解析：考查非谓语动词。Internet与allow是主谓关系，使用现在分词表示伴随状况。句意：互联网正在逐渐流行起来，(它)允许我们边看边听各种各样的节目。故选B。