It will be a triglyceride. Triglycerides are made from one glycerol with 3 fatty acid tails
My best guess would be c because b makes no since we as humans do not have photosynthesis and are considered living organisims, d is also wrong because the brain requires oxygen, and its not a because the brain is made of cells.
The answer would be A, slash and burn.
im not to sure, but i think its 21.95
hope this helps! :)