读一读，补全对话。

Chen: Hey! 1___________________?

John: We are doing an expriment.

Chen: 2___________________?

John: What do ants like to eat?

Chen: That's interesting.

John: Come and have a look.

Chen: 3___________________?

John: 4___________________. They don't like vegetables.

Chen: Are they eating the candies?

John: 5___________________. They like sweet food.

失血性休克，肾血流量减少的因素（）

A.自身调节

B.交感神经兴奋

C.肾上腺素分泌增多

D.副交感神经兴奋

E.血管升压素分泌增加