阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 Born in America , I spoke English ,not Chinese , the language of my ancestors .When I was three, my parents flashed cards with Chinese 36 at my face , but I pushed them 37 .My mom believed I would learn 38 I was ready .But the 39 never came. On a Chinese New Year’s Eve , my uncle spoke to me in Chinese , but all I could do was 40 at him , confused图中序号表示不同化学元素所组成的化合物,以下说法不正确的是
A.若图中①为某种多聚体的单体,则①最可能是氨基酸
B.若②存在于皮下和内脏器官周围等部位,则②是脂肪
C.若③为多聚体,且能贮存生物的遗传信息,则③是DNA
D.若④主要在人体肝脏和肌肉内合成,则④最可能是糖原