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现有如下,此编译有错误,则的错误出在 main () { int a=30,b=40,c=50,d; d=a>30?b:c; switch ( d ) { case a:printf ( "%d,",a ) ; case b:printf ( "%d,",b ) ; case c:printf ( "%d,",c ) ; default:printf ( "#" ) ;} }
A.
default:printf ( "#" ) ; 这个语句
C.
case a:printf ( "%d,",a ) ; case b:printf ( "%d,",b ) ; case c:printf ( "%d,",c ) ; 这三个语句