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[单选题]
若变量已正确定义并赋值,符合C语言语法的表达式是()。
A.a:=b+1
B.a=b=c+2
C.int 18.5%3
D.a:a+7:c+b
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A.a:=b+1
B.a=b=c+2
C.int 18.5%3
D.a:a+7:c+b
A.a=a+7;
B.a=7+b+c,a++
C.int(12.3%4)
D.a=a+7=c+b
A.X+1=y
B.++X.Y=X一一
C.X=X+10=X+Y
D.double(X)/10
A.a:=b+1;
B.a=b=C+2;
C.int18.5%3;
D.a=a+7=c+b;
A.a=a+7:
B.a=7+b+C,a++
C.int(12.3%4)
D.a=a+7=c+b
A.a%=7.6;
B.a++,a=7+b+c
C.int(12.3)%4
D.a=c+b=a+7
A.b=a! =76;
B.a=8+b+C=9;
C.i=12.3*%4;
D.a=a+7=c+b;
A.X…Y5;
B.X=n%2.5;
C.X+n=i;
D.x=5=4+1: