Select the option that will correctly replace the question mark (?) in the series.JMP, NOQ, RQR, ?

Select the option that will correctly replace the question mark (?) in

1.	Select the option that will correctly replace the question mark (?) in the series.JMP, NOQ, RQR, ?
A.	VVS
B.	VSV
C.	VSS
D.	USS
Answer» D. USS