单项选择题
A.30% B.10% C.60% D.45%
A.41.1% B.37.6%% C.42.8% D.39.4%
A.53.7% B.55.6%% C.59.9% D.58.5%
A.北上浙苏 B.北上粤鄂 C.北上粤苏 D.粤北上鲁
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