An author provides step-by-step instructions. What is most likely her primary purpose? A. To entertain you
B. To explain something
C. To show a sense of humor
D. To persuade you

B. To explain something

Explanation:

An instruction can be defined as a collection of detailed information, order, direction, and procedure about how a particular task or project is to be accomplished and executed. Thus, an instruction is typically used to highlight or state the steps or procedures that must be taken in order to successfully complete a task or project.

Hence, when an author provides step-by-step instructions. Her primary purpose is most likely to explain something because a step-by-step instruction comprises of technical procedures, order or directions that must be followed.