Answer:
The term living thing refers to things that are now or once were alive. A non-living thing is anything that was never alive. In order for something to be classified as living, it must grow and develop, use energy, reproduce, be made of cells, respond to its environment, and adapt.
D, Was is the answer, a being verb is showing the state of being such as (am, is, are, was, were, be, being, been.
Are you talking about the book?
C is the correct sentence.
All the others include a predicate, or a time, but not a subject