The word “tissues” in the passage...

Câu hỏi: The word “tissues” in the passage mostly means              .

A “the smallest units of living matter that can exist on their own”

B “the simplest forms of life that exist in air, water, living and dead creatures and plants”

C “collections of cells that form the different parts of humans, animals and  plants”

D “very small living things that cause infectious disease in people, animals and plants”