正常新生儿皮肤黏膜的生理特点正确的是（）。

A.新生儿皮肤薄嫩，易受损伤而发生感染

B.新生儿口腔粘膜血管丰富

C.上皮珠牙龈粟粒点予以挑破消毒

D.新生儿出生时体表覆盖一层白色乳酪状胎脂

E.胎脂具有保护皮肤，减少散热的作用

---You look unhappy. Did you fail the tests?

--- I ______ the written papers but didn’t pass the oral examination.

A．went through

B．went over

C．got over

D．got through