Context: Below is a food web from Shenandoah National Park, a forest ecosystem in Virginia.
A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem.
Which of these organisms contains matter that was once part of the persimmon tree?
A. bolete fungus
B. silver maple
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

A