GMAT Sentence Correction (SC) | Re: Since 1990 the global economy has grown more than it did

Since 1990 the global economy has grown more than it did during the 10000 years from the beginning of agriculture>> to 1950.
(IM: the global eco has grown more 1990 onwards than it did during 10,000 years from beg of argi till 1950)

A. Since 1990 the global economyhas grown more than it did during the 10000 years from the beginning of agriculture
-> keep aside, not sure at first shot but after eliminating others, this seems to be better than other answers
B. Since 1990 the growth of
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