That twenty-one ceramic dog figurines were discovered during the excavating of a 1,000-year-old Hohokam village in Tempe, Arizona, has nearly doubled the number of these artifacts known to exist.
- That twenty-one ceramic dog figurines were discovered during the excavating
- Twenty-one ceramic dog figurines discovered at the excavation
- Discovering twenty-one ceramic dog figurines at the excavating
- Ceramic dog figurines, twenty-one of which were discovered during excavating
E The discovery of twenty-one ceramic dog figurines during the excavation
这道题的B项错在哪里啊？ 介词at? 还是说用名词形式不好？ | 
