Question

A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as it can catch mice.

A．both; and	B．not only; but also
C．either; or	D．whether; or

Answer 1

D

试题分析：句意：一只猫不管是白猫还是黑猫，只要抓住了老鼠就是好猫。A……和……都B不仅……而且。C或者，或者D不管，还是，根据句意及结构，故选D。