11, 14, 14, 17, 17, 20, 20, ... choose which pair of numbers comes next?

A 23, 23

B 23, 26

C 21, 24

D 24, 24

E 24, 27

Correct Answer: Option A

This is a simple addition series with repetition. It adds 3 to each number to arrive at the next, which is repeated before 3 is added again.