The revision that fixes the vague antecedent is:
"Since Santiago and Matt joined the rowing team, Santiago has practiced a lot..." (Option C)
What is a Revision?
A revision in the English language means to redo a sentence by adding or removing some words, and also altering the sentence structure so that the sentence becomes more readable.
Sometimes, it could involve breaking down a complex sentence into simpler units.
Learn more about revisions at:
https://brainly.com/question/1581316
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