Final answer:
A blues text typically consists of a 3-line stanza, referred to as an AAB pattern. The correct option is B.
Step-by-step explanation:
A typical blues text consists of a B) 3-line stanza whose first two lines are identical. This is often referred to as an AAB pattern, where the first two lines, which are the same, set up a scenario and the third line responds or concludes the idea.
In the context of poetry and lyrics, stanzas can vary in form and complexity, ranging from a couplet (2-line stanza) to a sestet (6-line stanza), with a variety of rhyme schemes such as ABA, BCB, or ABABCC, but the traditional blues stanza has three lines.