In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?9, 10, 13, 22, 49, ?

In the following question, which one set of letters when sequentially

1.	In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?9, 10, 13, 22, 49, ?
A.	117
B.	126
C.	115
D.	130
Answer» E.