Regardless of their form or function, allaerodynamically enhanced, curved objects made for throwing have been calledboomerangs by non-Australians ever since 1788, when European saw Dharug-speaking men tossing'bumariny' in the area later known as Sydney.
A.
Regardlessof their form or function, all aerodynamically enhanced, curved objects madefor throwing have been called boomerangs by non-Australians ever since 1788
B.
Regardlessof their form or function, any aerodynamically enhanced, curved object made forthrowing has been called a boomerang by non-Australians ever since 1788
C.
Eversince 1788, non-Australians have called all aerodynamically enhanced, curvedobjects made for throwing boomerangs, regardless of their form orfunction, from
D.
Eversince 1788, any aerodynamically enhanced, curved object made for throwing hasbeen called a boomerang by non-Australians, regardless of its form or function,from
E.
Non-Australianshave called all aerodynamically enhanced, curved objects made forthrowing boomerangs since 1788, regardless of their form or function, from
我选的是A，想问一下，代词可以放在句首吗？什么情况下该放什么情况下不该放呢？谢谢了。
Q33: PP62.
Because she knew many of the leaders ofcolonial Americaand the American Revolution personally, Mercy Otis Warren was continually at ornear the center of political events from 1765 to 1789, a vantage pointcombining with her talent for writing to make her one of the most valuablehistorians of the ear
A.
a vantage point combining with her talentfor writing to make
B.
a vantage point, when combined with hertalent for writing, that made
C.
a vantage point that combined with hertalent for writing, and it made
D.
and this vantage point, which combinedwith her talent for writing to make
E.
and this vantage point, combined with her talentfor writing, made