How do plants obtain carbon atoms?

a.
from carbon in the soil

b.
from microorganisms that live in soil

c.
from carbon dioxide in the atmosphere

d.
from animals that feed on the plants

B. From microorganisms that live in the soil.

Carbon atoms have primary use in photosynthesis, in which in this process, it is converted to energy and food useful for consumers. Plants obtain carbon atoms through the carbon dioxide emitted by the consumers, through the carbon in the soil and the microorganisms that live and decompose in the soil.

Cis correct i think

Is there any answer choices?