Answer this question! i really need ! you! it would me alot

which best describes why present u. s. leaders are allowed to make changes to the u. s. constitution that was written in 1788?

a) the founding fathers allowed for the amendment process.
b) the constitution is property of the united states, so no permission is necessary.
c) the constitution states it must be amended each time a new president is elected.
d) any u. s. documents written at any time can be edited by current u. s. elected officials.