Tourism may be defined as the sum of the phenomena and relations

Tourism may be defined as the sum of the phenomena and relationship arising from the ____ of tourists, business suppliers, host governments and host communities.
A、intersection
B、interval
C、interaction
D、intelligence
【正确答案】：C
【题目解析】：C. interaction - 这个词指的是不同实体或个体之间的相互作用或相互影响。在这里，它完美地描述了游客、商业供应商、东道国政府和东道社区之间的相互作用和关系，这些关系共同构成了旅游业的总和。