tomorrow, our ship will set sail for Macao.

A．However the weather is like

B．However is the weather like

C．Whatever is the weather like

D．Whatever the weather is like

在一射线照像底片上有明显黑色如鸟足形或树枝形状的显示，已确知该显示并非试件的瑕疵，则其引起原因可能是（）

A、在旧的显影液中显影时间过长

B、底片储存时暴露于自然宇宙线中

C、由摩擦产生的静电引起

D、定影后水洗不当引起