Question

Lin Yi isn’t what it used to be．The last decade ______ great changes in the city images．

A．witnessed

B．was witnessed

C．has witnessed

D．had witnessed

Answer 1

C

考查时态。句意：Lin Yi不在是以前的样子了，最近十年已经见证了城市面貌的重大变化。动作时从过去一直持续到现在，所以选C。