-If the Leaf Is Like a Solar Panel Receiving Light

-If the leaf is like a solar panel receiving light energy and converting it to another form of energy, structure A is like what part of the solar panel?

A) the clear covering that allows sunlight in where it can be converted to another type of energy
B) the wires leading the transformed energy to the point of energy use or storage
C) the point of attachment of the solar panel to a rooftop
D) the cells in the panel that trap light energy