—What were you doing when I phoned you last night?

—I      my painting and was starting to take a bath.

A．have already finished

B．was finishing

C．had just finished

D．was going to finish

由于血管扩张和大量失水可致何种类型中暑（）

A．热射病

B．休克

C．热痉挛

D．脱水

E．热衰竭