负数都请选择ABC4u9^8w2\3`+G,q7J'p:Z5Y4@(c0T8m1u
A.大于0'p:Z5Y4@(c0T8m1u
B.小于0'p:Z5Y4@(c0T8m1u
C.等于0'p:Z5Y4@(c0T8m1u