What is the ballad stanza?

A. It consists of four lines of iambic feet; lines two and three have four accents, lines two and four have three accents. Lines two and three rhyme.

B. It consists of four lines of iambic feet, lines one and three have four accents, lines two and four have three accents. Lines two and four rhyme.

C. It consists of five lines of iambic feet, lines one and four have four accents, lines two and four have three accents. Lines two and four rhyme.

D. It consists of four lines of iambic feet, lines two and four have four accents, lines one and three have three accents. Lines two and four rhyme.