The correct option is B 16
Given series: 2,2,4,4,6,8,8,?
The given series is a combination of two series.
1st series: 2,4,6,8
2nd series: 2,4,8,?
In the 2nd series, each term is twice of the previous term.
Therefore, the missing term is 16.
Hence, option (D) is the correct answer.