232. (TTGWD4-Q1)The Acoma and Hopi areprobably the two oldest surviving Pueblo communities, both dating backat least a thousand years. A. both dating B. both of which have dated C. and each has dated D. and each one dating (A) E. each one of which date 我想知道为什么选A 还有就是为什么不选E. 像each 的独立主格形式是each+n.+介词短语中的n可以是one么? 求解!!还有可以说B,E选项为两个完整的句子么?