题目信息
Note: Figure not drawn to scale

If x and y are numbers on the number line above, which of the following statements must be true?
I. |x+y| < y
II. x + y < 0
III. xy < 0

If x and y are numbers on the number line above, which of the following statements must be true?
I. |x+y| < y
II. x + y < 0
III. xy < 0
A:I only
B:III only
C:I and II
D:I and III
E:II and III
参考答案及共享解析

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已选答案:
正确答案:
B:III only
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题目来源
Magoosh