Answer:
A. Make no change.
Explanation:
According to the given passage, the writer constructed each sentence with grammatical accuracy with no errors whatsoever.
In sentence 8, there is no need to change the pronoun "I" to "me" because it is used correctly.
Also, in sentence 4, the word "chefs" are in a group and there is no need for individual terms like "his/her".
Sentence 2 is correct the way it is.
It makes them feel alone and worthless
The fish died, because, using context clues, the word mournfully is usually associated with death or someone/ something leaving, and since a fish couldn't swim away, we would have to believe that the fish has died.