【单选题】

下列程序执行的结果为()。

A、= "HELLOCANIHELPYOU"
B、= "WANGCHANGLI"
C、= LeftA,5) +"!"
D、= RightA, 7)
E、= MidA, 6, 4)
F = MidB, LenB、 -6) + "!"
G =E+ " " +D、+ " ! "
H =C、+" " + F
Print H + " " + G
A．HELLO!CHANGLI!CANIHELPYOU!
B．HELLO! WANG!CANIHELPYOU
C．HELLO!CANIHELPYOUI
D．HELLO!CHANG!CANIHELPYOU!