I think it's C but I'm not to sure because I didn't read the whole thing :/
Answer:
... with a compound sentence, there are two simple (independent) sentences connected together with a coordinating conjunction, whereas with a compound-complex sentence, there are NOT ONLY two simple sentences connected together as described, BUT there ALSO is a dependent clause included in the mix.
Explanation:
Ex:
compound =
I will get married to a beautiful woman, and we will have three children.
compound-complex:
After I graduate from high school, I will get married to a beautiful woman, and we will have three children.
Well lets say one might want to stay fit, and loose weight. The temptation of eating junk food like chocolate will lead them away from their goal and add weight instead of loosing it.