Which statement explained how a bill can be altered during the bill development process?

A. A bill can be altered by both chambers of Congress as well as the president, who can make final revisions to the new legislation.
B. A bill can be altered only within the first month after it was introduced, and once this period of time expires, members must vote on it.
C. A bill can be altered in committee in at least one and often both chambers of Congress and can also be altered after floor debates.
D. A bill can only be altered in the chamber of Congress in which it originates; the other chamber is not allowed to propose any changes to it.

C. A bill can be altered in committee in at least one and often both chambers of Congress and can also be altered after floor debates.