53. Consider a regular language L over 0, 1 . Which of the following languages over 0, 1 must also be regular?
I. the w L length of w is even
II. w L the length of w is prime
III. w L the length of w is an integer power of 2
(A) None (B) I only (C) III only (D) I and III only (E) I, II, and III
