单选题
xy＜0Quantity A: |x+y|Quantity B: |x|+|y|
A、
Quantity A is greater.
B、
Quantity B is greater.
C、
The two quantities are equal.
D、
The relationship cannot be determined from the information given.
【正确答案】
B
【答案解析】
xy＜0，|x+y|＜|x|+|y|，选择B。
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