Answer:
B. Bob and wheel
Step-by-step explanation:
The stanza pattern is used in sir Gawain and the green knight is Bob and wheel.
The Bob and wheel often used in poetry works and is characterized by five rhymed lines forming a group which is then followed by a group of unrhymed lines.
The bob is the first line in the group which comprises of the rhymed words and is usually shorter while the wheel is known as the group that follows the bob.