Please be 100% sure

Which of the following statements is true? You may select more than one. Question 8 :

A) Compilers translate high level language inputs into machine instructions.

B) High level programming languages must be converted into native machine instructions to execute.

C) High level programming languages exist to simplify programming and make High level programming language programmers more productive than their low level language programming peers.

D) Computer CPUs only execute native machine instructions.