--Mum, I can’t do the washing on my own. It’s too difficult.

--All right. I ______ you with it.

A．am helping

B．am going to help

C．am to help

D．will help

以下哪种物质不能放在烘箱内加热（）。

A.易燃物

B.易溶物

C.易干燥

D.易融化