In our country, a group in group tourism refers to a tour group with at least ( ) people.

Answer: C

Group travel, also known as team travel, refers to those travel activities carried out in an organized collective form, especially consumers who will be purchased by travel agencies for the same packaged travel product. Tourism activities organized together as a collective tour group. According to international conventions in the tourism industry, a group or team generally refers to a tour group with at least 15 people traveling together. The current practice in the tourism industry in mainland my country is to define a group or team as a tour group with at least 10 people (including accompanying tour guides).