Thedoctor’stestshowsthat______. A: ourbrainsshrinkaswegrowolder B: thefrontsectionofthebraindoesnotshrink C: sixty-year-oldshavethebetterbrainsthanthirty-year-olds D: somepeople’sbrainshavecontractedmorethanotherpeople’s

1、somepeople后面跟动词原形还是动词三单形式.就是比如说