Which of the following is Class of Language is Regular:

A) { wxw^{R} | w,x ∈ {0,1}^{+} }

B) { wxw^{R}∣w,x∈{0,1}^{+ }and |x|=100 where |x| denotes length of string x }

C) { wxw^{R}∣w,x∈{0,1}* and |x|>=100 where |x| denotes length of string x }

D) { wxw^{R}∣w,x∈{0,1}* and |x|<=100 where |x| denotes length of string x }

- 1. Only A
- 2. A and C Only
- 3. A, B, C Only
- 4. All are regular