关于子宫颈鳞癌发生发展过程下列哪项正确（）。

A.上皮增生-原位癌-浸润癌

B.早期浸润癌-原位癌-浸润癌

C.上皮不典型增生-早期浸润癌-浸润癌

D.原位癌-早期浸润癌-浸润癌

E.上皮不典型增生-原位癌-早期浸润癌-浸润癌

We should do something to _______ the plant ______ the cold weather.

A．protect; from

B．prevent; from

C．protection; from

D．prevent; against