单选题

以下能成功将整型数字3赋值给整型变量a和b的一项是( )。

A

int a, b;

3 = a = b;

B

int a, b;

3 = a;

3 = b;

C

int a, b;

3 = a;

b = 3;

D

int a, b;

a = b = 3;

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