Which are Immediately Preceded by Two Even Numbers.

In the given series, how many odd numbers are there which are immediately preceded by two even numbers.
9, 8, 6, 4, 2, 7, 5, 6, 7, 3, 2, 1, 9, 4, 2, 3, 3
(a) 2                         (b) 3                    (c) 4                               (d) 5