Select the letter-cluster that can replace the question mark (?) in the following series.PERSONA, ANPERSO, ANOSPER, ?

Select the letter-cluster that can replace the question mark (?) in th

1.	Select the letter-cluster that can replace the question mark (?) in the following series.PERSONA, ANPERSO, ANOSPER, ?
A.	NOSAREP
B.	ANOSREP
C.	ANSORPE
D.	ANOSERP
E.	None
Answer» C. ANSORPE