In order to understand the of the animal, she spent many years recording its daily activities.
A. performance
B. deed
C. behavior
D. personality
网友回答
A. performance
B. deed
(答案→)C. behavior
D. personality
解析：名词辨析。A表演；B行为,行动（相对于words）；C行为,举止;态度；D 个性；结合句意可知C正确。句意：为了理解动物的行为，她花了很多年来记录动物的日常行为。