单项选择题
A．there will be no problem B．you will have to pay extra C．you must notify Amazing Tours in advance D．you must bring your own ingredients
A．the difference between general history and art history B．the making of' art history C．what we can learn from art D．the influence of artists on art history
A．for people staying in the hotels B．if fewer than five people wish to participate C．on national holidays D．unless entrance is free