Concept:Each letter in the second group is obtained by shifting the matching letter of the first group 3 places backward in the alphabet.Explanation:For WUV:TRS, check the shift:W−3​TU−3​RV−3​SApply the same rule to QOP:Q−3​NO−3​LP−3​MSo the required group is NLM.Answer:The correct answer is NLM, option D.