I believe that the answer is c. but it could be d.
Answer:everything has a reason or cause
Explanation:
<span>Expository
essay writing provides facts, considers ideas, describes processes or
events, or analyzes themes, arguments, or other works that can be
interpreted. This essay must start with a strong introductory paragraph
that contains a thesis statement. The thesis statement should be clear,
short, and well-defined. Remember, the thesis statement is the writer’s
major point, argument, or essential idea and should be cautiously
narrowed to explain where the essay is headed.</span>