[单选题]

下列程序的运行结果是( )。 s=0:t=0:u=0 For x=1 To 3 For y=1 To x For z=y To 3 s=s+1 Next z t=t+1 Next y u=u+1 Next x Print s;t;u

A.3 6 14

B.14 6 3

C.14 3 6

D.16 4 3

参考答案与解析:

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