The regular expression 0*(10*)* denotes the same set as

GATE · 2003 · CS

1. A.

   (1*0)*1*

2. B.

   0 + (0 + 10)*

3. C.

   (0 + 1)* 10(0 + 1)*

4. D.

   none of these

Attempted by 106 students.