Based on this image, how can you tell the spinning jenny increased the speed of thread production?

(1 point)
A. It is built so only one person needs to spin its single wheel.
B. It is built to spin multiple spools of thread at one time.
C. It is built out of metal to ensure it lasts a long time.
D. It is built with a steam engine to power the spinning wheel.

Based on the image, the correct answer is B. It is built to spin multiple spools of thread at one time. This suggests that the spinning jenny increased the speed of thread production by enabling the spinning of multiple spools simultaneously.