单项选择题
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
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.there will be no problem B.you will not have to pay extra C.you may be disappointed D.you will be charged the same price as for a double room