小肠是消化食物和吸收营养物质的主要场所,其中与消化食物相适应的形态结构特点是( ) ①小肠是消化道中最长的一段 ②小肠内有多种消化液 ③小肠绒毛壁、毛细血管壁、毛细淋巴管壁都只由一层上皮细胞构成 ④小肠内壁有许多皱襞,皱襞上有大量的小肠绒毛 A.①②③ B.②③④ C.①②④ D.①②③④Recently John has agreed to terms of a five-year contract extension with the Liverpool FC and ______, as reported, is worth more than £80 million. A. which B. he C. one D. it