Select the set of letters that, when sequentially placed in the blanks of the given letter series, will complete the letter series.D _ K _ D _ K X _ U K _

Select the set of letters that, when sequentially placed in the blanks

1.	Select the set of letters that, when sequentially placed in the blanks of the given letter series, will complete the letter series.D _ K _ D _ K X _ U K _
A.	U X U D X
B.	U X K X D
C.	U X U D D
D.	X K U D X
Answer» B. U X K X D