Final answer:
The answer is option c. rhetorical.
Step-by-step explanation:
The answer is option c. rhetorical. A rhetorical question is one that is asked for effect or to make a point, rather than to elicit a response. These types of questions are commonly used in speeches and writing to engage the audience and encourage them to think more deeply about a topic. For example, 'Can anyone really understand the depths of the universe?'
Learn more about types of questions