If $${b}\neq{0}$$, does a equal b ?
1. $${{a}^{{2}^{2}}\over{b}}+{4}={5}$$
2. $${{17}{a}+{4}{b}\over{7}}={3}{a}$$
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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 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: B