Read the sentence.

Coach Perry told Tyler he had previously coached basketball when he was on the swim team.

Which revision clarifies the confusing pronoun in this sentence?

When he was on the swim team, Coach Perry told him that he had previously coached basketball.
Coach Perry told him he had previously coached basketball when Tyler was on the swim team.
When Tyler was on the swim team, Coach Perry told him that he had previously coached basketball.
He told Tyler he had previously coached basketball when Tyler was on the swim team.

Its C