Steve's questions about Aunt Celeste's career are examples of what type of organization?
cause/effect
topic/information
problem/solution
comparison/contrast

The correct answer is: topic/information.

Explanation:

Steve's questions about Aunt Celeste's career are examples of topic and information question organization.

As we can see from the questions, he asks a concrete question about some topic, and then he amplifies the question by asking for more information about a certain topic, e.g. her education, her accomplishments, her carrier, etc.

With this question organization, he tries to get more information and write an article about his aunt's career.