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

Kathleen cut tomato and broccoli plant leaves into one-inch squares. In each of 12 containers, she placed six leaf squares: three tomato-leaf squares and three broccoli-leaf squares. She put one slug from her garden into each container. After two days, Kathleen measured the amount of each leaf square that had been eaten by the slugs. She compared the amount that had been eaten from the tomato-leaf squares to the amount that had been eaten from the broccoli-leaf squares.
Figure: a slug on a leaf.
Identify the question that Kathleen's experiment can best answer.
A. Do slugs eat more from tomato leaves or broccoli leaves?
B. Do slugs weigh more after eating tomato leaves or broccoli leaves?
Determine the correct option from the provided choices and reply with its corresponding letter.

A