The answer is choice A
the hint suggested that it would've been a negative connotation :)
The answer is C. I think.
Answer: Affix.
An affix is a grammatical unit that is attached to a word's stem to form a new word. They are important in English because they are one of the main ways in which the language creates new words.
The two most common ones are: prefixes, which are placed before the stem (ex. pre-, in-, un-) and suffixes, which are placed after the stem (ex. -ly, -ness).
The answer is variant B verb because it exprime an action made by the subject.
