—I'm sorry I didn't make it to your party last night.
—（）. I know you're busy these days.

A. Of course

B. No kidding

C. That's all right

D. Don't mention it

关于四步触诊哪项不对（）

A．前三步，检查者均面向孕妇头部

B．第四步面向孕妇足部

C．第二步触诊主要查胎背四肢各在何侧

D．第三步主要检查先露大小

E．第四步主要了解先露部入盆程度