Look at this series: 11, 12, 14, 15, 17, 19, 20, 22, ? What number should come next in this series?

Look at this series: 11, 12, 14, 15, 17, 19, 20, 22, ? What number sho

1.	Look at this series: 11, 12, 14, 15, 17, 19, 20, 22, ? What number should come next in this series?
A.	21
B.	18
C.	23
D.	22
Answer» D. 22