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当前学科:第五章教师基本能力
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某市体委对该市业余体育运动爱好者的一项调查显示:所有的桥牌爱好者都爱好围棋,有围棋爱好者爱好武术;所有的武术爱好者都不爱好健身操,有桥牌爱好者同时爱好健身操。如果上述结论都是真实的,则以下哪项不可能为真?()
A . 所有的围棋爱好者也都爱好桥牌
B . 有的桥牌爱好者爱好武术
C . 健身操爱好者都爱好围棋
D . 围棋爱好者都爱好健身操
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