17. A) Female students are unfit for studying physics.

　　B) He can serve as the woman's tutor.

　　C) Physics is an important course at school.

　　D) The professor's suggestion is constructive.

　　答案：17. D The professor's suggestion is constructive.

　　原文：

　　17.

　　Woman: Prof. Clark suggested that I get a tutor for advanced physics.

　　Man: Well, that might help. Advanced physics is a pretty difficult course.

　　Question: What does the man mean?