How should the student edit the sonnet to make the structure consistent with an Italian sonnet?

O by deleting the quatrain and sestet and adding a

couplet with an ee rhyme scheme

O by changing the octave's rhyme scheme to abba

abba and deleting the quatrain

O by changing the quatrain's rhyme scheme to cdcd

and replacing the sestet with a couplet

O by deleting the octave and sestet and adding two

quatrains with the rhyme schemes abab and cdcd