Which of the following statements is TRUE about the structure of a Petrarchan sonnet?
AIt consists of three quatrains and a couplet, following an ABAB CDCD EFEF GG rhyme scheme
BIt is divided into an octave and a sestet, typically presenting a problem and its resolutionCORRECT
CIt contains fourteen lines of free verse with no fixed rhyme scheme
DIt always ends with a heroic couplet that summarizes the poem's argument