Which of the following contains a vague pronoun reference?
A. On the evening news, the reporters showed rare footage—reportedly taken by a fisherman as he stood on the beach—of sharks fighting over their prey.
B. On the evening news, they showed rare footage—reportedly taken by a fisherman as he stood on the beach—of sharks fighting over their prey.
From the given choices, choose the correct answer and respond with the letter of that choice.
Answer: B