Read the dialogue and answer the question.
Tour guide: Welcome to the tour! We will visit the ancient city of Ephesus first.
Tourist: How long will we stay there?
Tour guide: About two hours. Then we will go to the House of Virgin Mary.
Tourist: Is there a dress code?
Tour guide: Yes, please cover your shoulders and knees.
Tourist: Can we take photos?
Tour guide: Yes, but no flash inside the buildings.
According to the dialogue, which of the following is TRUE?
A)The tour includes only one stop.
B)Tourists must not take any photos.
C)There is a dress rule for the visit.
D)The tour lasts for two hours in total.