what is this, I know it is call cheating but no one is here to help me so here it is..

When you tell the most important part of a text, what are you identifying?

A.)the central idea

B.)the first sentence

C.)the supporting details

D.)facts and events

And this,

About 1.5 million species of fungi exist on Earth. They act as nature’s decomposers. These organisms break down matter and release enzymes and acids that unlock nutrients for plants and soil organisms. You may be familiar with macrofungi, a type of fungus that includes mushrooms. But for the most part, fungi exist as mycelia, tiny threads that snake underground in billions of interconnected threads. They twist and twine with tree root systems, helping tressobtain crucial nutrients. Mycologists call these networks of mycelia "Earth’s nervous system."

Which statement best identifies the central idea of the paragraph?

A.)Earth's many species of fungi act as decomposers of matter.

B.)Fungi bring nutrients to tree root systems when they twine with them underground.

C.)Fungi exist as a web of threads connected underground.

D.)The type of fungus called macrofungi includes mushrooms.