The reason why they failed the test was ____ they didn’t sleep at all the night before.

A．because

B．why

C．that

D．for which

某新生儿于出生后24小时出现呼吸困难，X线检查呈“白肺”。应考虑可能为

A．呼吸困难

B．新生儿肺透明膜病

C．新生儿肺炎

D．新生儿窒息

E．新生儿湿肺