In a standard dictionary, you can find the key to pronunciation marks within the definitions. It seems to be the most correct answer. Looking at dictionaries you will not see pronunciation in the appendix, at the bottom of a page or even in the front.
Answer:
subject: laughing at teacher's or student's story
predicate: <u>Laughing</u>
Explanation:
I would say B. Hope this helps.
A. an abstract noun
joy is a feeling, so it cannot be B or D
furthermore, it is obviously not a pronoun.
