题目选项分析

While most of the earliest known ball courts in Mesoamerica date to 900-400 B.C., waterlogged latex balls found at El Manati and representations of ballplayers painted on ceramics found at San Lorenzo attest to the fact that the Mesoamerican ballgame was well established by the mid-thirteenth century B.C.

While most of the earliest known ball courts in Mesoamerica date to 900-400 B.C., the finding of waterlogged latex balls at El Manati and the painting of representations of ballplayers on ceramics found at San Lorenzo attests to the fact that the Mesoamerican ballgame was well established by the mid-thirteenth century B.C.