Which of the following sentences contains an incorrect pronoun shift?

A. Avery and Jerry brought their dad a slice of cake from dinner.
B. I thought I saw a dog bury their bone under the tree.
C. Betsy was so excited to get her car back from the mechanic.
D. Joe’s grandfather broke his favorite plate in the dishwasher.

1 answer

B. I thought I saw a dog bury their bone under the tree.