The sentence that used a verb that agrees with its pronoun subject is C. Each of the campers are sharing funny stories.
It would be "Himself", since in the sentence, is the hint "his kite take flight." Also reading it, it sounds like it's in the third person point of view, another hint.
Explanation:
She says that Myrtle had never seen Gatsby, That her sister was completely happy with her husband
Well it takes about 17 sooo id choose false