According to the text, Jeffers is probably _______. 【 】
A. a computer programmer
B. a test subject
C. a human brain expert
D. a medical doctor
正确答案:C
According to the text, Jeffers is probably _______. 【 】
A. a computer programmer
B. a test subject
C. a human brain expert
D. a medical doctor
正确答案:C