Choose the closest paraphrased version after the following sentence or the italicized part.
Coming as a guest into an American home, the European visitor finds no visible landmarks.（ ）
A、
... the European visitor is eager to find out about the code of behavior.
B、
... the European visitor can't find clues as to how to behave appropriately.
C、
... the European visitor gets confused about American family relationships.
D、
... the European visitor is greatly interested in the unspoken rules for a guest.
【正确答案】：A
【题目解析】：
句子释义：到美国人家里做客的欧洲人，看不到有什么明显的既成规矩。
A选项”这位欧洲游客渴望了解行为准则。“符合题意，故选A。