Fossils of the arm of a sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of the Greater Antilles Islands.
GWD-8-Q34: GWD-13-28 Fossils of the arm of a sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of the Greater Antilles islands.
A. sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of B. sloth, that they found in Puerto Rico in 1991, has been dated at 34 million years old, thus making it the earliest mammal known on C. sloth that was found in Puerto Rico in 1991, was dated at 34 million years old, making this the earliest known mammal of D. sloth, found in Puerto Rico in 1991, have been dated at 34 million years old, making the sloth the earliest known mammal on E. sloth which, found in Puerto Rico in 1991, was dated at 34 million years old, made the sloth the earliest known mammal of 答案是D,想问一下,Making能确定就是修饰fossils吗?不会造成歧义么?;
A中主干 Fossils of the arm of a sloth made it the earliest known mammal of 意思错误! D中主干Fossils of the arm of a sloth have been dated at 34 million years old, making 意思正确——是这件事making