________ with others easily will be harmful to your health, so keep a goodtempered character all the time please.[ ]

A．To be annoyed    

B．Being annoyed

C．To be pleased  

D．Being satisfied

下面程序段的输出结果为( )。
package test;
public class ClassA

int x=20;
static int y=6;
public static void main(String args[])
ClassB b=new ClassB();
b.go(10);
System.out.println("x="+b.x);


class ClassB

int x;
void go(int y)

ClassA a=new ClassA();
x=a.y;

A．x=10

B．x=20

C．x=6

D．编译不通过