In the following question a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to complete the series starting with the number given following the sequence of the given series and answer the question given below the series.

6 10 7 12 8 14
4 (a) (b) (c) (d) (e)

A

6

B

5

C

8

D

9