Question

(2013·江苏，28)In the global economy，a new drug for cancer，________it is discovered，will create many economic possibilities around the world.

A．whatever

B．whoever

C．wherever

D．whichever

Answer 1

C

考查状语从句。此处考查－ever引导的让步状语从句。通过分析从句，可知句子不缺少主干成分，故排除代词A、B、D三项，故答案选C。