Answer:
B.appropriations bill
Step-by-step explanation:
A national budget is a budget prepared by the government that shows the spending plan for the year.
An appropiations bill is a law that approves specific spending for government funds.
A line-item veto is a veto that allows an authority to reject a part of a bill.
A continuing budget resolution is a resolution that allocates money for certain programs or entities.
According to this, each House subcommittee prepares an appropiations bill, authorizing spending for certain purposes.