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.

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