To convey superiority. más + adjective, adverb, noun + que
tan + adjective, adverb + como
definite article + más, menos + adjective
menos + adjective, adverb, noun + que

The correct answer is más + adjective, adverb, noun + que .

Explanation:

The comparative degree of adjectives is used to compare two or more things, animals or people with each other.

The comparison is divided into:

THE SUPERIORITY COMPARISON:

más + adjetivo + que    thing, animal or person with whom we are comparing it

Example: María es más alta que Carlos.

EQUALITY COMPARISON:

tan   + adjetivo   +  como    thing, animal or person with which we are comparing it

Example: María es tan alta como Carlos.

COMPARATIVE OF INFERIORITY:

menos +  adjetivo  + que thing, animal or person with whom we are comparing it.

Example: Carlos es menos alto que María.

Your answer is A. for short

Explanation: look above/below this~