[求助]GWD 3-27 (GWD31) 诚心求教

Q27:

The first trenches that were cut into a 500-acre site at Tell Hamoukar, Syria, have yielded strong evidence for centrally administered complex societies in northern regions of the Middle East that were arising simultaneously with but independently of the more celebrated city-states of southern Mesopotamia, in what is now southern Iraq.

1. that were cut into a 500-acre site at Tell Hamoukar, Syria, have yielded strong evidence for centrally administered complex societies in northern regions of the Middle East that were arising simultaneously with but
2. that were cut into a 500-acre site at Tell Hamoukar, Syria, yields strong evidence that centrally administered complex societies in northern regions of the Middle East were arising simultaneously with but also
3. having been cut into a 500-acre site at Tell Hamoukar, Syria, have yielded strong evidence that centrally administered complex societies in northern regions of the Middle East were arising simultaneously but
4. cut into a 500-acre site at Tell Hamoukar, Syria, yields strong evidence of centrally administered complex societies in northern regions of the Middle East arising simultaneously but also
5. cut into a 500-acre site at Tell Hamoukar, Syria, have yielded strong evidence that centrally administered complex societies in northern regions of the Middle East arose simultaneously with but

e

看不明白句子结构，谁修饰谁。

哎，回去看错题了才知道这道题我还是不会 然后没有人搭理我 真可怜啊

为什么是B不是A呢？

主语不是复数的吗？

答案是E。

The first trenches（主语） cut into a 500-acre site at Tell Hamoukar（过去分词后置定语）, Syria, have yielded（谓语） strong evidence that （宾语从句）centrally administered complex societies（从句主语） in northern regions of the Middle East arose（从句谓语） simultaneously with but independently of the more celebrated city-states of southern Mesopotamia, in what is now southern Iraq.

请教societies（从句主语） in northern regions of the Middle East arose（从句谓语） simultaneously with but independently of the more celebrated city-states of southern Mesopotamia中的but做什么成分，谢

此两个副词短语共同修饰the more celebrated city-states of southern Mesopotamia.