When asked why he went there, he said he was sent there _____ for a space flight. [ ]

A. training

B. being trained

C. to have trained

D. to be trained

下列程序的输出结果是
#include"iostream"
using namespace std；
int Max(int a，int b)

if (a ＞ b)
return a；
else
return b；

void main()

int m，n；
m=10，n=5；
int max=Max(m，n)；
cout＜＜max＜＜endl；

A．10

B．程序有误

C．1

D．0