If x\neq y, is x+y=xy?
(1) (1-x)(1-y)=1
(2) {x}^{2}-{y}^{2}={x}^{2}{y}-{x}{y}^{2}
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: D