a,b,c,d are positive integers. x,y are not integers. x=$$a\sqrt{b}$$,y=$$c\sqrt{d}$$. Is $$\sqrt{xy}$$ an integer?
1：$$\sqrt{ac}$$ is a positive integer.
2：$$\sqrt[8]{bd}$$ is a positive 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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EStatements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: C