When Can the Vice President Cast a Vote in the Senate

When can the vice president cast a vote in the Senate?

A) He can vote on any measure considered on the floor of the Senate or in committee.
B) He can vote on any measure considered on the floor of the Senate.
C) He can only vote to break a tie in a vote on the floor.
D) He is never allowed to vote.
E) He can only vote on proposed constitutional amendments.