Correct option is A
Given: MN _ _ SM _ PO _ _ N _ OSM _ P _ S
From option (A) PONSMPNO
MN PO S / M N PO S / M N P OS / M N P O S (sequence followed)
From option (B) PNOSMPNO
MN PN S / M O PO S / M N P OS / M N P O S (sequence not followed)
From option (C)PONMSPNO
MN PO S / M N PO M / S N P OS / M N P O S (sequence not followed)
From option (D) PONSNOMP
MN PO S / M N PO S / N N O OS / M M P P S (sequence not followed)
Correct answer is (A) PONSMPNO