Different versions of a federal bill have successfully passed both in the House and the Senate. Which is the next step in the lawmaking process?
a The conference committee makes revisions to make one single bill.
b The congressional subcommittee that introduced the bill rewrites it.
c The bill is sent to the president, who can decide to sign it into law or veto it.
d The bill is sent to the Supreme Court to be reviewed for constitutionality.