I would like to ask about A-level choices and pick the right A-level subjects as the options. I was thinking of pursuing an A-level in Science which is the subject such as Biology, Chemistry and Physics. I was wondering after completing A-level in science, if I do not want to pursue science courses such as Medicine, Dentistry or Pharmacy. Suddenly, I want to pursue non-science courses such as Law, International Relations or others. Does that guarantee me and allow me to continue non-science courses if I take A-level in science ? I'm sorry to ask a question like these because I do not want to waste my study time and money.