The correct answer is option B
Common Language Runtime (CLR) is avirtual machine used as part of Microsoft's dot NET framework. It improves the performance by providing a richly interact between programs at the run time. The CLR uses just in time compilation to execute the compiled code of dot NET applications regardless of whatprogramming languagewas used.
It runs the code and provides services that make the development process easier, provides class libraries supports to an application when needed. The main function of Common Language Runtime (CLR) is to convert the Managed Code into native code and then execute the Program. Basically, it is responsible for managing the execution of dot NET programsregardless of any dot NETprogramming language.