試題詳解

29. According to the passage, which of the following is true?
(A) Mind-controlled bionic limbs have been used for at least 50 years.
(B) Patients with a mind-controlled prosthesis have to carry a mainframe computer with them.
(C) A new implant using machine learning can give amputees control over their prosthetic hands.
(D) The artificial hand using the brain-machine interface involves no surgery, and therefore is very cheap.