29. In three centuries--from 1050 to 1350--several million tons of stone were quarried in France for the building of eighty cathedrals, five hundred large churches, and some tens of thousands of parish churches.
(A) for the building of eighty cathedrals, five hundred large churches, and some
(B) in order that they might build eighty cathedrals, five hundred large churches, and some
(C) so as they might build eighty cathedrals, five hundred large churches, and some
(D) so that there could be built eighty cathedrals, five hundred large churches, and
(E) such that they could build eighty cathedrals, five hundred large churches, and

这道题中，and some tens of thousands of parish churches.我想可以理解为好几万教区中的一些教堂，可是觉得some tens of thousands of 这样的说法好像有点怪，想跟NN们求证一下。另外OG答案中没有对D选项进行分析，D选项我觉得语法上没有错，只是there could be built的表达较为冗长，不知道分析是否正确，还望各高手赐教！

there could be built

本身就是语法错误吧

我觉得there could be built这种表达法是不正确的。

there be应该是表示一种存在状态，就像there is a book.不存在主动和被动的概念。

既然是be built,那完整的就会存在sth be built by sb.这两部份内容，那么既可以用主动表达，也可以用被动表达，完全不需要there be built这种表达方式。

我刚刚查了薄冰语法，上面说“这种结构中的there本身无词义，……，其后的动词be具有存在之义，所以是一实义动词。”“there be结构还可以用被动式，这时be即变成了助动词，如：There are now published millions of books every year in China.现在中国每年出版成百万册书。On the following day,there was held a splendid banquet.第二天大摆盛宴。”

第一个问题呢？some tens of thousands of……？