Which AS Maths modules should I resit?

Basically, I got a B in AS Maths and I was quite disappointed with it. I got 65 UMS in C1, 63 UMS in S1 and 89 UMS in C2. My plan was to resit C1 and S1 but I have forgotten almost everything in S1 so I would be teaching my self again. This will take a lot of time and I also have a few other resits as well as A2 exams. Now I am so tempted to leave S1 and resit C1 and C2 and aim for approximately 95 UMS on both. I want an A in A-Level Maths and I already feel confident in C3 and M1. Does anyone have any advice for me? Thanks.

Exam solutions if u want to re-teach S1. It's like being re-taught & it's simple to understand. You have aprox. 2 months, thts more than enough time to refresh your memory.

If u still want to do C1 & C2 then do simple questions as well as stuff u find difficult.

[I'm doin A-level Maths, Chem & bio (AS+A2)]

I wish u the v best x

Nikki