题目
A.?SUBSTR(XY,11,2)+SUBSTR(XY,1,8)+SUBSTR(XY,4)
B.?SUBSTR(XY,15,4)+LEFT(XY,1,10)+RIGHT(XY,19)
C.?SUBSTR(XY,15,4)+LEFT(XY,10)+RIGHT(XY,8)
D.?SUBSTR(XY,15,4)+LEFT(XY,10)*RIGHT(XY,19,10)
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