Context: The passage below describes an experiment. Read the passage and then follow the instructions below.

Bob divided 40  evenly among eight paper bags and sealed the bags. He poked 20 small holes in four of the bags and left the other four without holes. He kept the bags at room temperature for three days. Then, Bob opened the bags and counted the number of brown spots on each banana. He compared the average number of brown spots on bananas from bags with holes to the average number of brown spots on bananas from bags without holes.
Figure: unripe bananas.
Identify the question that Bob's experiment can best answer.
A. Do bananas develop more brown spots when they are kept at room temperature compared to in a cold refrigerator?
B. Do bananas develop more brown spots if they are kept in bags with holes compared to bags without holes?
Answer with the option's letter from the given choices directly.

B