A.scanf (“a=b=%d”,&a,&b); B.scanf(“a=%d,b=%f”,&m,&f); C.scanf(“%3c”,c); D.scanf(“%5.2f,&f);
A.3 B.2 C.1 D.0
A.a=3,4,5 B.a=3*2 C.a=a&&b D.a=b=4