Which of the following statements is false?
A. An amendment can be proposed by a 2/3 vote in the House of Representatives.
B. An amendment can be proposed a national convention called by Congress at the request of 2/3 of the state legislatures.
C. An amendment can be ratified by approval of state legislatures in 3/4 of the state legislatures.
D. An amendment can be ratified approval of conventions held in 3/4 of the state.