Which of the Following Might We Expect Under the Pivotal

Which of the following might we expect under the pivotal voter theory?

A) A bill is defeated because extreme members of the House united to oppose it.
B) A bill is passed that is opposed by a majority of House members, because of strong support in the Senate.
C) A bill is passed that is supported by moderate members of the House, even though party leadership believed the bill contained too many compromises.
D) A bill is passed that is opposed by moderate members of the House, because party leaders pressured those members to vote for it.