It is "B" in EDGEUNITY;100% sure.
<span>The rhyme pattern is ABAAB, and the meter is iambic.</span>
A quatrain is a verse with four lines, or even a full poem containing four lines, having an independent and separate theme. Often one line consists of alternating rhyme,
existing in a variety of forms. We can trace back quatrains in poetic
traditions of various ancient civilizations, such as China, Ancient
Rome, and Ancient Greece; and they continue to appear in the
twenty-first century.
