Mycorrhizae Are Fungi That Are Symbiotic with Plants

Mycorrhizae are fungi that are symbiotic with plants. What is the likely relationship between these fungi and plants?

A) The fungi provide soil nutrients to the plants; the plants provide food to the fungi.
B) The fungi remove bacteria from the soil; the plants provide water to the fungi.
C) The fungi provide CO₂ to the plants; the plants protect the fungi from predators.
D) The fungi remove predators from the plants; the plants provide shelter for the fungi.