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 = "\1.\\s*"; F. String regex = "\w[ \.] +