GMAT Critical Reasoning (CR) | Re: AutoCar is a car manufacturer in Country X. Over the past eight months

AutoCar is a car manufacturer in Country X. Over the past eight months, car sales in Country X have risen by more than 20 percent. Therefore, AutoCar's sales over the past eight months have most probably risen by more than 20 percent.

The argument is flawed primarily because the author _____________.

A. draws a general conclusion based on a short period of time
B. fails to distinguish between a product and a brand
C. fails to distinguish between cars manufactured and sold in Country X, and