D is the correct answer.
In this fact pattern:
Bill Introduced To House Of Reps: Gay Marriage bill introduced in the House and is (supposedly) sent to a committee.
House Committee Recommends Amendments: Bill is passed with amendments
Bill Sent To Senate
Senate Committee Recommends Not Passing The Bill: Senate Committee says too controversial but passes none the less and is sent to Governor
Bill Vetoed By Governor. Governor vetoes and is overridden.
Bill Becomes A Law: Bill becomes state law.