How Did Sarah,Premack's Chimpanzee,perform on Analogy-Solving Tasks

How did Sarah,Premack's chimpanzee,perform on analogy-solving tasks?

A) Sarah solved these problems more often than chance,but she was more prone to error than human participants.
B) Sarah solved these problems more often than they would have been by chance,and she was less prone to error than human participants.
C) Sarah solved these problems less often than they would have been by chance,and she was more prone to error than human participants.
D) Sarah solved these problems less often than they would have been by chance,but she was less prone to error than human participants.