The numbers in the set are all multiples of n, for example {-2n, -n, 0, n, 2n, 3n,....}. Can we determine the value of n when n > 0?
1: - 7 is in the set.
2: 49 is in the set.
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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: E