A-level French is a big jump from GCSE. I say if you were to pick French, start preparing yourself NOW. Practise your grammar, learn lots of vocab, watch French films and read French books/newspapers. However, French is a very good subject. If you enjoyed GCSE, then I'm sure you will enjoy A-level. I enjoyed it. I got a B in my AS and I'm gonna do it for A2. If you pick it, you are gonna need to start putting effort if you want to pass, beacause although it's enjoyable, it's reeeeaaally hard and one of the hardest subjects on the list. so be prepared.