It to chat online all day long. You’d better do something else.
A. makes no sense
B. makes no difference
C. makes sense
D. makes difference
网友回答
(答案→)A. makes no sense
B. makes no difference
C. makes sense
D. makes difference
解析：短语辨析。A讲不通，没有意义；B不起作用，没有影响；C讲得通，有意义。D起作用；句意：整体在网上聊天没有意义。你最好做一些别的事情。根据句意说明A正确。