— We expected you yesterday.

— I’m sorry, I        you to say that I couldn’t be here until today.

A．must have called

B．would be calling

C．could have been calling

D．should have called

机械制图中规定视图的轴线用（）表示。

A、粗点划线

B、细点划线

C、双点划线

D、虚线