None of them, all of them, and others not in the list. The best language to learn, imho, depends on what you want to do later on. Do you want to make websites and webapps? Do you want to create ML and AI libraries? Do you want to contribute to the Linux Kernel? Depending on your ambitions, the answer varies by a great deal. I recommend taking a look at this FAQ, which tries to take a generic approach to starting out, and might help you avoid some pitfalls I experienced myself: