Why was any carbon-containing molecule originally called \"organic\"? A. Carbon-containing molecules were thought to be only produced by organisms. B. Carbon-containing molecules contain organic substances within them that cannot be synthesized inorganically. C. Carbon- containing molecules do not contain hydrogen or oxygen, the inorganic parts of organisms. D. Carbon-containing molecules were thought to be present only outside of organisms - in the inorganic areas of the earth: water, air, and stone. Solution Correct answer (A) It was once thought that organic compounds could only be created by living organisms..