B. The study of carbon compounds.
Work Step by Step
A is biochemistry, a subset of organic chemistry, and C and D are, in the same sense, referring to only some of what falls under the heading of "organic chemistry."
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.