Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.KZRS, HWUV, ETXY, ?, YNDE

Select the letter-cluster from among the given options that can replac

1.	Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.KZRS, HWUV, ETXY, ?, YNDE
A.	CPAC
B.	BRAD
C.	BQAB
D.	CQAF
Answer» D. CQAF