【单选题】The mid-sixties saw the start of a project that, along with other similar research, was to teach us a great deal about the chimpanzee mind. This was Project Washoe, conceived by Trixie and Allen Gardn...
A.
chimps may have more than one way to fetch food
B.
chimps can associate one sign with another in a meaningful way
C.
chimps can learn the signs of ASL, the American Sign Language used by the deaf
D.
chimps have their particular ways for finding what they want