If none of the students are ambidextrous, what percentage of the 20 students in Mr. Henderson's class are left-handed?
(1) Of the 12 girls in the class, 25% are left-handed.
(2) 5 of the boys in the class are right-handed.
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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