—        busy homework ,the children also have to take arts, music and sports classes in their free time.

— I wonder what they will become.

A．Rather than

B．Expect for

C．Apart from

D．Owing to

电烙印发生在人体与（）有良好的接触的情况下，在皮肤表面将留下和被接触带电体形状相似的肿块痕迹。有时在触电后并不立即出现，而是相隔一段时间后才出现。