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!CAIHELPYOU
C) HELLO!CANIHELPYOU!
D) HELLO!CHANG!CANIHELPYOU!