Julia made a model of a cell in a clear plastic zipper bag. She used a marble for the nucleus and pinto beans for mitochondria.

Which of the following options would be best for making her model more like a plant cell?
A.
Put the bag inside a clear plastic box.
B.
Put the bag inside a larger clear plastic bag.
C.
Take the marble out of the bag.
D.
Take the pinto beans out of the bag.