The doctor’s tests show that __________.(本题1.0分)
A、 our brains shrink as we grow older
B、 the front section of the brain does not shrink
C、 sixty-year-olds have better brains than thirty-year-olds
D、 some people’s brains have contracted more than other people’s
出自:河北建筑工程学院-电气工程及其自动化-大学英语3(专升本)