OG 41 之迷惑

41. Under a provision of the Constitution that was never applied.
Congress has been required to call a conven­tion for considering possible
amendments to the document when formally asked to do it by the legisla­tures
of two-thirds of the states.

(A)
was
never applied, Congress has been required to call a convention for considering
possible amendments to the document when formally asked to do it

(B)
was never applied, there has been a requirement that Congress
call a convention for consider­ation of possible amendments to the document
when asked to do it formally

(C)
was
never applied, whereby Congress is required to call a convention for
considering possible amendments to the document when asked to do it formally

(D)
has
never been applied, whereby Congress is required to call a convention to
consider possible amendments to the document when formally asked to do so

逗