— Mom, these clothes are nice. Can I ________?

— Sure.

A. try on them        B. try them on        C. try it on

新生儿败血症以何种感染途径最常见（）

A.羊水穿刺

B.母孕期经胎盘血行感染胎儿

C.产时胎儿通过产道时吸入

D.产后感染

E.胎膜早破