TOEFL Listening: TPO-TOEFL阅读TPO - AHG5TKJ32LQ1PL4GN$

According to paragraph 5, Hubbell and Johnson determined A. the order in which the colonies in the study area had been established B. the level of aggressiveness of each of the nine species C. the distribution pattern of the nests of five of the nine species D. the number of colonies of each of the nine species