TOEFL Listening: TPO-TOEFL听力TPO - AP0DV6HBN1WD5W10R$

What did the student's group have to promise the author in order to get him to visit the university? A. That he would have a large audience for his reading B. That his books would be advertised on the university web site C. That the French Department would pay his travel expenses D. That he would also be able to speak at another nearby university