I have no C++ or Python experience, why did I receive an interview from Citadel (internship)?

I have virtually zero C++, C, or Python experience or projects on my resume, and nothing low-level like what Citadel does. My resume is full of TypeScript, app dev, React, cloud, etc. I also did not g

I have virtually zero C++, C, or Python experience or projects on my resume, and nothing low-level like what Citadel does. My resume is full of TypeScript, app dev, React, cloud, etc. I also did not get full marks on the OA lol. Why did I pass the resume stage? How do I even appeal myself to the hiring team against other candidates who write C++ like it's their second language? Edit: Forgot to mention I interned at a faang this summer, but I think everyone knows *this* company hires a lot of interns.