问一道逻辑题

willway

OG逻辑182题
The earliest Mayan pottery found at colha, in B ,is about 3000 years old. Rencently, however, 4500-year-pld stone argicultural implements were unearthed at C. these implements resemble M stone implements of a much later period, also found at C.Moreover, the implements’s designs are strikingly different from the designs of stone implements produced by other cultures known to have inhabited the area in prehistoric times. Therefore, there were surely M settlements in C 4500 years ago.
要求weaken
answer: successor cultures at a given site often adopt the style of agricultural implements used by earlier inhabitant of the same site.
这答案不会跟这句话话矛盾吗？：Moreover, the implements’s designs are strikingly different from the designs of stone implements produced by other cultures known to have inhabited the area in prehistoric times. Therefore, there were surely M settlements in C 4500 years ago.

linsonstudy

请问上面这位兄台，你的OG是第几版的？为何我在其它文章里看到这道逻辑题是这样解说的：
美洲某地发掘出什么pottery believed to be used by Mayan, the pottery is dated as 3500 years ago. It led the scientists to conclude that Mayan first settled here 3500 years ago. But another discovery of some implement of 4500 years ago undermines the conclusion of scientists, since the implement resemble what Mayan used and ------,
I choose: other cultures use the implement, which is strikingly different from that of Mayan
版本2：原理论Maya人是3500年前定居于C地，后来发现了一件4500年前地物件，一雪茄由此推出Maya人4500年前就在此居住了。问支持，选a，制作此物件所采用的技术只有Maya人才会用，其他人不会用此技术。