Which line of code tells a scanner called sc to use a single digit as a delimiter? : Questions « Utility Classes « SCJP

1. SCJP
2. Utility Classes
3. Questions

A.      sc.useDelimiter("d");
B.      sc.useDelimiter("\d");
C.      sc.useDelimiter("\\d");
D.      sc.useDelimiter("d+");
E.      sc.useDelimiter("\d+");
F.      sc.useDelimiter("\\d+");