单选题

A It’s a 6,000-word essay.

B The topics should be the ones given by the lecturer.

C The students have to read some texts before starting.

D The students don’t have to take an exam.

解析：
[考点]细节题。主持人问“What does it involve?”，男士回答，这是一篇3000字的命题论文，题目基于阅读材料。可知，在写论文之前，需要阅读相关材料。