There is such a problem we all should .
A. as; pay attention to it
B. that; attract our attention
C. as; pay attention to
D. that; attract our attention to it
网友回答
A. as; pay attention to it
B. that; attract our attention
(答案→)C. as; pay attention to
D. that; attract our attention to it
解析:可联系答.案.网客服索取。