[单选题]

(程序)

SET TALK OFF

N=325

X=“ABCDEFGHIJ”

Y=“甲乙丙丁戊已.”

NC=ALLTRIM(STR(N,6))

L=LEN(NC)

N2=2*L-1

NN="

K=1

D.O WHILE K<=L

N1=INT(VAL(SUBSTR(NC,K,1))* 2+1)

NN=NN+SUBSTR(X,N1,1)

NN=NN+SUBSTR(Y,N2,2)

? N1,N2,NN

N2=N2-2

K=K+1

E.NDDO

? K

SET TALK ON

第一次输出结果为 ______。

A.7 4G 甲

B.7 5G乙

C.7 5G 丙

D.7 4G乙

参考答案与解析:

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