下列程序段执行的结果为( )。 A= HELLOCANIHELPYOU B= WANGCHANGLI C=Left (A,5)+ ! D=Right(A,7) E=Mid(A,6,4) F=Mid(B,Len(B) -6.5)+ ! G=E+ +D+ ! H=C+ +F Print H+ +G
A) HELLO!CHANG!CANIHELPYOU!
B) HELLO!WANG!CAIHELPYOU
C) HELLO!CANIHELPYOU!
D) HELLO!CHANG!CANIHELPYOU!