It's perfectly normal to get a low grade, and it doesn't mean that your future is doomed or that you won't be able to achieve your goals. Sometimes students get wrapped up in the idea that they need to get a high score in order to be admitted into their dream school, but that's not always the case. Some universities have strict admission criteria, but that shouldn't stop you from excelling in your career. It's a myth that a low score can't get you accepted into studying abroad.
Universities have different admission criteria but that should not be a reason to stop you from getting a good education.