GRE Logical Reading: ETS-GRE逻辑单题ETS - L702WTM0MU0Q79BWK$

In a recent film set in seventeenth-century Europe, the hero is seen doing the crawl, a swimming stroke not known in Europe before the 1920's.However, since moviegoers obviously are not experts in the history of swimming strokes, for most of the film's audiences this blunder clearly cannot have interfered with whatever sense of historical authenticity the film otherwise achieved.