refined
cheerful
jolly
relevant
Answer is Right!
Answer is Wrong!
The correct answer is A. refined.
Vulgar means lacking in taste or refinement; crude. Refined means having or showing good taste and manners; cultured.
Cheerful means happy and full of hope. Jolly means full of high spirits and good humor. Relevant means having a bearing on or connection with the matter at hand.
Of the above options, only refined is the opposite of vulgar.