You can disable assert statements by using the following preprocessor command: `#define NDEBUG`.What are assert statements?Assert statements are preprocessor macros that are utilized as debugging aids. These statements are used to confirm assumptions made by the program's code. They assist in detecting bugs early in the development process, making debugging simpler and less time-consuming.What does #define NDEBUG do?The #define NDEBUG directive disables assert statements in a C or C++ program. When NDEBUG is defined, all assertions in the code are completely ignored. This is useful for optimizing the final product because assert statements are not required in the release version of the program.To disable assert statements, the #define NDEBUG directive must be included in the code before including or . Therefore, the correct answer is option d. #define NDEBUG.