99 points if you answer the question correctly i could get my points back and ban you ! c:

which sentence has an incorrect shift in pronoun-antecedent agreement?
a) no one in the crowd had noticed the pickpocket stealing their wallet.
b) all of the crows were cawing ferociously at the invader on their land.
c) when keegan and cole won the lottery, they immediately quit their jobs.
d) each of the string of lights has a different size fuse for its voltage.