4种碳架如下的烃,下列说法正确的是 A．a和d是同分异构体

4种碳架如下的烃,下列说法正确的是

A．a和d是同分异构体 B．a和d都能发生加成反应

C．b和c是同系物 D．只有c能发生取代反应

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4种碳架如下的烃,下列说法正确的是 A．a和d是同分异构体

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