Hydrocarbons. (organic compounds entirely made up of hydrogen and oxygen)
I think the correct answer from the choices listed above is option A. Horned toads squirt blood from their eyes as a means of evading predators. This is their final defense action which frightens their predators. Hope this answers the question. Have a nice day.
I'm certain the answer is liquid. I hope this helps you! <3
C is the most likely answer to this question.