Travel and tourism, as a ______ behavior, is very closely relate

Travel and tourism, as a ______ behavior, is very closely related to advances in the economy and culture of a society.
A、social
B、economic
C、cultural
D、socioeconomic
【正确答案】：A
【题目解析】：A选项：social（社会的）。这个词表示与社会、人与人之间的关系相关的。旅游和旅行通常是一种社会行为，因为它们涉及到人与人之间的交流和互动，并且它们的发展确实与社会经济和文化的发展紧密相关。