I believe the best choice will be A because training in cardio will burn the most calories and will help him get to where his body has a healthy composition and then the flexibility exercises just add on to it because it will relieve some stress off of the body.
The answer is D all of the above
Get to bed earlier.Try to find out if there's a guy who likes her and have them get together. Theat'll really make her happy. Listen to quiet music when trying to sleep. It should most definitely help.
That would probably be the Avocado or Guava.