题目

Treasure-seeking in Titanic REASURES of Titanic as well as the captain's logbook(航海日志) may reappear to the public. RMS Titanic Company declared recently that it was ready to search the interior part of the wreckage (残骸) for the first time.      Since 1985 when the wreckage of the luxury(豪华) boat was found, the RMS has made five attempts to search it. But all the actions were confined(被限制) to the exterior(外部) of the cabin(客舱). This time, divers will use a controlled diving machine and enter the boat to make a careful search.       The boat is 下列不属于社群行为特征的是( )A. 群体内部形成一定的组织 B. 成员之间有明确的分工C. 有的群体内部还形成等级，有一个首领 D. 群体内部成员必须保持平等