The answer is "Who".
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Answer:
1: appositive: a famous science fiction writer
Noun: ray bradbury
2: appositive: a short story
Noun: “the foghorn”
3: appositve: the narrator of the short story
Noun: Johnny
4: appositive: Johnny’s friend
Noun: mcdunn
5: appositive: a mournful moan
Noun: the foghorn sound
6: appositive: a hundred foot dinosaur
Noun: the monster
7: appositive: a lonely echo of the foghorn
Noun: the monsters cry
Explanation:
Answer: no antecedents and too many antecedents
2 is hidden antecedents
Explanation: