Which of the following correctly describes a 'Petrarchan sonnet'?
AA fourteen-line poem divided into three quatrains and a couplet, rhyming abab cdcd efef gg
BA fourteen-line poem divided into an octave and a sestet, typically rhyming abbaabba cdecdeCORRECT
CA poem of any length that does not follow a fixed rhyme scheme or metre
DA sixteen-line poem that presents an argument and its counter-argument