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【单选题】
如果有理数a，b满足a+b＞0，ab＜0，则下列式子正确的是（ ）A.
当a＞0，b＜0时，|a|＞|b|
B.
当a＜0，b＞0时，|a|＞|b|
C.
a＞0，b＞0
D.
a＜0，b＜0
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