Correct option is C
In the given series following pattern is followed-
(i) ↓ rotate 90 degrees at its place anti clockwise.
(ii) a shifted clockwise direction and increasing a, e, i, o and u.
(iii) ^ rotate 90 degrees at its place anti clockwise.
(iv) 2, 3, 5, 7 are increased as a prime number and next be 11.
Therefore, the correct answer is (c).









