根据对话内容，选出能填入空白处的最佳选项。

A. I'll help you.    

B. Then what?    

C. Thanks Mom

D Sure you can.    

E.  I can do them.

A:  Hey,  Mom.  Could I invite my friends to the party tomorrow?

B: 1______ But you have to do some chores first.

A:  What d0 1 have to do ?

B: Well, first sweep the floor.

A:  OK. 2.______

B: Then take out the trash.

A: Ycah.3.______

B: And you need to clean your room.

A: Wow! I'm going to be too tired to go to my own party

B:  4. ______ I'II go to the store for drinks and snacks.

A: 5.______

弥漫性肺泡损伤的早期病理改变是（）.

A.肺纤维化

B.脱屑性肺泡炎

C.肺大片出血

D.肺充血和透明膜形成