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单选题
Given: 11.String test = "Test A. Test B. Test C."; 12.// insert code here 13.String[] result = test.split(regex); Which regular expression, inserted at line 12,correctly splits test into "Test A","Test B",and "Test C"?()
A

String regex = ;

B

String regex =  ;

C

String regex = .*;

D

String regex = //s;

E

String regex = //.//s*;


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