Here are the answers to your questions based on the excerpt from Article V of the United States Constitution:
Question 1:
Which of the following best summarizes this excerpt?
Response: Each state legislature may choose between either mode of ratification to ratify a proposed amendment.
Question 2:
In the first step, the proposal is agreed on by ____ of the members in both the House of Representatives and the Senate (or the state legislatures).
Response: two thirds
Question 3:
For the amendment to pass, ___ of all the states must vote to ratify.
Response: three fourths