bears’ number has increased, their conflicts with local people have increased too.
A. If
B. With
C. As
D. While
网友回答
A. If
B. With
(答案→)C. As
D. While
解析:if 是如果的意思,with是介词,后面加名词,while强调主从动作同时发生。当主句、从句动作同时进行,从句动作的时间概念淡化,而主要表示主句动作发生的背景或条件时,只能用 as。这时,as常表示“随着……”;“一边……,一边……”之意。故选C。