is the most widely used language for writing system software because it combines the power of a high-level language with the ability to circumvent that level of abstraction and work at the assembly-language-like level.

C is the correct answer for the above question.

Explanation:

C is a structured programming language used for system programming or any operating system.C language is the advance version of the assembly language but it falls on the categories of the high-level language.This programming language is used for system programming because it will develop in the form of modular programming.The above question asked about the language which is used for the system programming and comes in the categories of high-level-language. This language is known as c-language.

A. newton 's fourth law a liquid in a confined space is not compressed.