Answer:
The correct answer is option C. Cómica.
Explanation:
As we can see, the new student confuses her classmates.
So we must interpret that the description that she will mean will be the opposite.
In this case it is Cómica.
Cómica is the antonym of the word Seria.
Antonyms are words that have opposite or opposite meanings to each other.
Cómica-Seria
Baja-Alta
Inteligente-Torpe
Given this information, we can say that the correct option is option C.