Ecotourism is one of the most rapidly growing form of______ travel in the West, with central American counties, such as Costa Rica, being the principal destinations present.
A、senior
B、educational
C、specialized
D、sightseeing
【正确答案】：C
【题目解析】：( P257)在西方 ,生态旅游已成为发展最快的专项旅游之一,以中美洲国家,如哥斯达黎加,作为目前最主要的目的地。