Q: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
(CNN) Several Republican and Democrat lawmakers agree that Congress needs to prevent a collapse of the health insurance market, which could hurt millions of consumers -- and that concern has opened up some bipartisan dialogue. Sen. Lamar Alexander, R-Tennessee, said the Senate health committee will hold bipartisan health care hearings on how to repair the individual market. In the House, a group of 40 lawmakers from both parties endorsed an outline of ideas aimed at making urgent fixes to Obamacare. The step toward bipartisanship on health care comes as some Republicans consider an approach that diverges from the president's stance.Bipartisan efforts in both Senate and House over concerns in individual health care marketPresident Trump threatened to stop paying insurance companies cost-sharing subsidies 
 Question:Last week, Alexander voted for two out of the three repeal _ bills that went up for a vote in the Senate.
A:
R