I wanted ______ basketball, but I ______ run fast.[ ]

A. play, could not

B. to play, can't

C. play the, can't

D. to play, could not

建筑装潢质量的问题之一是装潢装饰材料中某些化学成分含量太高，缓慢释放出来，在空气中浓度过高，影响人体健康。这某些化学成分主要是                 

A．甲烷

B．乙烯

C．乙炔

D．甲醛、甲苯等有机物蒸气