Answer:
it's C because it has the commas placed at correct areas.
the rest of the sentences can be corrected below :-
a. Spider man, who is known for being able to shoot webs from his wrists, is my favourite hero.
b. The children, who were usually happy, had become upset.
d. Peter, who is my best friend, plays the guitar and the piano. hope it helps...
Answer:
the answer is A it is correct
I think it’s B. Because when ur looking and reading the essay you can mark it up and make notes on the answers to the question. Then when you look back when answering the essay question you have all the notes you made before