Concept:In poetry, a stanza or poem can be identified by the number of lines it contains.
An octave is the standard term for a group of eight lines.
Explanation:The word "octave" is linked to "octo," meaning eight.
It describes a poem or stanza of exactly eight lines.
For example, the first eight lines of an Italian sonnet form the octave.
A quatrain has only four lines, so option A is incorrect.
A sonnet has fourteen lines, so option C is incorrect.
A limerick has five lines, so option D is incorrect.
Thus, a poem of eight rhyming lines is correctly called an "octave."
Answer:B. octave