Which of the following statements best explains the relationship between the articles of confederation and the constitution?

a
because the articles of confederation had served the country well, delegates made only a few revisions.
b
since many states wanted to maintain the articles of confederation, delegates added the new articles to it.
c
because many states called for the replacement of the articles of confederation, delegates agreed to write a new constitution.
d
since the articles of confederation were not working adequately, delegates proposed an entirely new system of government.