—You've got a stomachache? But we ate at the same place. How come my stomach is fine?

—You have an iron stomach! Mine isn't ___ strong. [ ]

A. as                

B. such          

C. much            

D. enough

阅读下面程序
import java.io.*;
public class TypeTransifion
public static void main(String args[])
char a=’h’;
int i=100;
int j=97;
int aa=a+i;
System.out.prinfin("aa="+aa);
char bb = (char)j;
System.out.println("bb="+bb);


如果输出结果的第二行为bb=a，那么第一行的输出是( )。

A．aa=I

B．aa=204

C．aa=v

D．aa=156