Answer: A. Fourteen lines divided into an octave, and a sestet.
Explanation:
Petrarchan sonnets are lyric poems composed of 14 lines written in iambic pentameter. They can be divided into two parts: the first 8 lines, an octave, have a rhyme scheme of abbaabba. The last sestet, or six lines, have a flexible rhyme scheme which can vary from poem to poem.
