Which of the following kings of ancient India were patrons of Jainism?

Q. Which of the following kings of ancient India were patrons of Jainism?
1. Srenika Bimbisara 2. Chandragupta Maurya
3. Kharavela Codes:
(a) 1, 2 and 3
(b) 1 and 2
(c) 2 and 3
(d) 1 and 3
Ans: (c) 2 and 3