$$x=a \sqrt{b}$$，$$y=c \sqrt{d}$$，neither x nor y is integer，is $$\sqrt{xy}$$ integer？
(1)$$\sqrt{xy}$$ is an integer
(2) is an integer
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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 statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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E
Statements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: E