单项选择题
A．because her book, In the Shadow of Man, made her to start B．because she had no qualifications at all C．because she loved animals D．because Dr. Leakey wanted her to help him
A．Scientists usually observed and studied chimps in laboratories and zoos. B．Some scientists went to study the chimps in the far away areas of africa. C．Scientists spent quite a long period of time observing chimps in the wild. D．Scientists spent rather a short period of time studying chimps in the wild.
A．worked in an office B．worked in a factory C．lived in the wild D．observed and studied animals