Q is a set of integers and 11 is in Q. Let Q denote any element in the Q set. Is every positive multiple of 11 in Q?
1. Q+ 11 is in Q.
2. Q- 11 is in Q.
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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: A