Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::?
# : KNF :: QCV : %

A

# = IPD, % = OET

B

# = HPD, % = NFS

C

# = MLH, % = OET

D

# = HQC, % = NFS