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若\(|x| = 2\)，\(|y| = 3\)，且\(xy\)异号，则\(|x + y|\)的值为\((\) \()\)
A.5
B.5或1
C.1
D.1或\( - 1\)
参考答案：C
解析：
解：\(\because |x| = 2\)，\(|y| = 3\)．且\(xy\)异号，
\(\therefore x = 2\)，\(y = - 3\)；\(x = - 2\)，\(y = 3\)，
\(\therefore x + y = - 1\)或1，则\(|x + y| = 1\)．
故选：\(C\)．
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