选D.he will be后面只能家形容词,不能加the.所以,只有D 对our monitor takes more exercise every day,for he beliveshe does, he'll be. A.the less,the strongerB.the more, the thinner C.the more, the stronger D.more ,stronger明白了。选C。越锻炼越强壮。而不是越锻炼越瘦。明白了吗？