Although all this may their ( ) revenues, America's internet giants could also benefit from the legislation if it helps them in their dealings with the European Union.

　　A.dent

　　B.surge

　　C.obstruct

　　D.facilitate

　　【答案】A。A 项：dent 削弱、凹进;B 项：汹涌、激增;C 项：妨碍、阻塞;D 项： 促进、帮助。dent 与 revenue 构成 dent revenues 影响收入。句意：尽管这一切可能会减少他们的收入，但美国的互联网巨头也可以从这项立法中受益，如果它能帮助他们处理与欧盟的关系。故本题正确答案选 A。