The correct answer is C. compiler.
A compiler is a computer program that translates code written in a high-level programming language into machine code, which is a set of instructions that a computer’s processor can understand and execute.
An interpreter is a computer program that reads and executes instructions written in a high-level programming language one at a time.
A simulator is a computer program that creates a model of a real-world system.
A commander is a person who gives orders to others.
E is not a valid option.