— Did you hear about Zhang Lili who save
题型：选择题
问题：
— Did you hear about Zhang Lili who saved the kids from being run over by a school bus?
— Yes. What do you think most people _____ if they were in a similar situation?
A．will do
B．will have done.
C．would do
D．would have done
在平面x+y+z=0上的投影方程是（）。
