og12 逻辑82 有木有人解答过

Flnforever

82. A sudden increase in the production of elephant ivoryartifacts on the Mediterranean coast of North Africaoccurredin the tenth century.Historians explain thisincrease as the result of an area opening up as a newsource of ivory and argue on this basis that the
important medieval trade between North Africa andEast Africa began at this period.
Each of the following, if true, provides some supportfor the historians’ account described above EXCEPT:
(A)  In East Africa gold coins from MediterraneanNorth Africa have been found at a tenth-centurysite but at no earlier sites.
(B)  The many surviving letters of pre-tenth-centuryNorth African merchants include no mention ofbusiness transactions involving East Africa.
(C)  Excavations in East Africa reveal a tenth-centurychange in architectural style to reflect NorthAfrican patterns.
(D) Documents from Mediterranean Europe andNorth Africa that date back earlier than the tenthcentury  show knowledge of East Africananimals.
(E)  East African carvings in a style characteristic ofthe tenth century depict seagoing vessels verydifferent from those used by local sailors but ofa type common in the Mediterranean.


B的意思是  B：在保存下来的10世纪前的北非商务信件中，没提到与东非的贸易
为什么是support的。。。。

指弹之水

The definition of start is from Not Have to Have. An evidence to support Not have is supporting the word START.

Flnforever

no trade before 就可以推出 有started trade in 10 century？！我很迷茫

指弹之水

Because B) supports that there were no trade BEFORE the 10th centrury. This would support the conclusion that the trade STARTED in the 10th centrury.