GRE Reading Comprehension: PPO-GRE阅读PPO - 1M49X4X51P3V4Q8LR

Which of the following can be inferred about the behavior of the dogs observed in Bauer and Smuts' study? A. The play behavior of most dogs remained constant from one encounter to another B. A dog's play tactics were determined more by its partner's size and age than by its own size and age. C. Play among unevenly matched partners generally did not conform to the 50:50 rule postulated by some previous researchers. D. Older dogs almost never engaged in self-handicapping when playing with younger dogs. E. Most dogs engaged in dyadic play d id not deviate from the roles of dominance and subordination that governed their behavior outside the play context.