单项选择题
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!CANIHELPYOU
C．HELLO!CANIHELPYOU!
D．HELLO!CHANG!CANIHELPYOU!