Answer:
even though she was on the school track team.
Explanation:
a dependent clause is the part of a sentenc that wouldnt make sence on its own. "the boys didn’t think Dani could win the race" makes sence on its own, so its an independent clause
C- is sarcastic definitely
Hope this helps and if it did feel free to leave a brainliest for me :) thanks and merry christmas and happy New Years