Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'proadjective'?

A. A term that is not an adjective but serves the same purpose, as "so" in "It is less so than we had expected".
B. Sexual attraction to children by adults.
C. A word that substitutes for a noun or noun phrase. It is a particular case of a pro-form.
D. A pronoun which is not considered neologistic in nature.

Answer: A term that is not an adjective but serves the same purpose, as "so" in "It is less so than we had expected".