PT 60 S1 Q22

One of the most useful social conventions is money,whose universality across ... ...

The argument's conclusion is properly drawn if which one of the following is assumed?
(A) Some societies have been geographically isolated enough not to have been influenced by any other society.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Complete Section: LR-A, June '10 LSAT (PT 60 Sec. 1)