Explanation

Instead of is a trigger that tells you that the word in the blank must mean the opposite of a selfish need to meddle. Benevolence and magnanimity both mean showing good will toward others, which is the opposite of selfishness.

Elegance and refinement are synonyms that mean gracious style, which is not the opposite of selfishness. Gaiety means happiness and viscosity means stickiness, neither of which is the direct opposite of selfishness.

Hence option E and F are Correct