从方框中选择正确的句子补全对话。

A: What’s wrong with you, Helen?

B:    小题1:    I have a cold.

A: Bad luck!   小题2: 

B: Oh, but I’m busy now and I must

finish these exercises in the class.

A:  小题3:   He will ask you to

have a rest at home.

B:    小题4:   I don’t want to ask for leave.

A:   小题5:  You’d better lie down and have a good rest now.

B: OK. I’ll ask for leave at once. Thank you very much.

佝偻病性手足搐搦在痉挛发作时哪项处理最正确

A．先立即静注钙剂

B．先用镇静剂再用钙剂

C．迅速静推甘露醇

D．保持安静待其自然缓解

E．立即注射维生素D