A recently discovered Native American artifact, preserved since approximately 1345 AD, has been determined to be composed of woven acrylic by a scientist, a fabric previously thought to have been invented 632 years later.
(A) A recently discovered Native American artifact, preserved since approximately 1345 AD, has been determined to be composed of woven acrylic by a scientist, a fabric previously thought to have been invented 632 years later.
(B) Preserved since approximately 1345 AD, a recently discovered Native American artifact had been recently determined by a scientist to be composed of woven acrylic, a fabric previously thought to be invented 632 years later.
(C) A scientist had determined that a recently discovered Native American artifact is composed of woven acrylic, a fabric previously thought to be invented 632 years later, after having been preserved since approximately 1345 AD.
(D) After being preserved since approximately 1345 AD, a scientist has determined that a recently discovered Native American artifact is composed of woven acrylic, a fabric previously thought to have been invented 632 years later.
(E) A scientist has determined that a recently discovered Native American artifact, preserved since approximately 1345 AD, is composed of woven acrylic, a fabric previously thought to have been invented 632 years later.
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