题目选项分析

Regardless of their form or function, all aerodynamically enhanced, curved objects made for throwing have been called boomerangs by non-Australians ever since 1788, when Europeans saw Dharug-speaking men tossing "bumariny" in the area later known as Sydney.

Ever since 1788, any aerodynamically enhanced, curved object made for throwing has been called a boomerang by non-Australians, regardless of its form or function, from when Europeans saw Dharug-speaking men tossing "bumariny" in the area later known as Sydney.