The negotiating bank has had some problem ( ) whether to pay or not.

A．in deciding

B．to decide

C．at deciding

D．as decided

孕妇发生风疹会通过胎盘导致胎儿宫内感染，最可能发生（）

A．食欲下降

B．胎儿体重减轻

C．致畸

D．脐带绕颈

E．难产