What Kind of Plants Are Epiphytes

What kind of plants are epiphytes?

A) Plants that are not parasites but that do grow on other plants instead of the soil.
B) Plants that trap animals and digest them.
C) Plants that deal with nutrient-deficient soil by growing a large, netlike mesh of roots through several layers of the soil.
D) Parasitic plants that use haustoria roots to obtain nutrients and food directly from other plants.