A is the correct answer, because they differ in 'rhyme scheme'. An Italian sonnet is divided into an octave (8 lines) and a sestet (6 lines), and the rhyme scheme is: ABBA ABBA (in the octave) and CDE CDE or CDC CDC (in the sestet). An English sonnet is divided into three quatrains (3*4 lines) and a couplet (2 lines), and the rhyme scheme is: ABAB CDCD EFEF GG.
For example Mrs. Bennett claims Mr.bennet has no regard for her Nerves when in reality he claims that he is well aware of her Nerves meaning that he agrees she is crazy