Need help. `10 points + Brains! Which sentence contains a pronoun with a vague or ambiguous antecedent?

A. When Ellie met Mrs. Kendall, she was very polite.
B. Parker put his football gear away in the closet.
C. The dog chased its tail for almost an hour.
D. After Patrick aced the quiz, his confidence grew.

Not timed. Take your time ¯\_(ツ)_/¯

A

Explanation:

 D. After Patrick aced the quiz, his confidence grew.

Explanation: This occurs in a order, and logically proceeds another

d

explanation:

recent brain research has shown some surprising benefits as a result of formal musical training. learning to play a musical instrument appears to develop parts of the brain that can even influence academic results. the studies indicate that the earlier a child begins training, the more benefits there are. one such study showed that children who began musical studies before the age of seven had a more developed brain in the region where language production and auditory processing take place. scientists believe there is mounting evidence to show that early musical training can improve brain function.

explanation: