MBA is just for complimenting your current skill. Just look at one fact that MBA colleges willing to accept those candidates who don't really require to do an actual MBA. MBA is made just to make you understand the market and its pattern so that one can use its skills to get the best advantage. Hence, selling is one of the skills that should be in all of us so that we can sell our actual skills. Therefore we have seen sales profile is the most common job option for any MBA student. The best solution is to gain more and more practical skills because the MBA is just to expose you to the market but your skills are your actual future.
Choose the specialization which you would love to study, this will help you to have career in the field you like to work also this will keep your interest alive in the subjects.