Answer:
The answer is absolutely D!
Jellyfish do have a digestive system because they eat a ton so A is not true
Jellyfish CAN survive in fresh water because they can be kept in fresh water aquariums so B is not true
Jellyfish ARE made of cells because it is a living creature and that is all the proof you need XD so C is also not true
That leaves you with your answer: D
Please Mark Brainiest