You should report any incident minor it is.A. whateverB. wheneverC. howeverD. wherever

问题补充：

You should report any incident, minor it is.

A. whatever

B. whenever

C. however

D. wherever

答案：

A. whatever

B. whenever

(答案→)C. however

D. wherever

解析：考察连词。该句为状语从句，whatever后跟名词 ，无论什么。 Whenever无论何时 however后跟形容词，无论怎么样 wherever无论何地

句意为，你应当报告任何时间，无论它是多么小。