同问帮顶,另见OG12 No.78
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
这道题A选项的解释是:
A Because sloth is the object of a preposition
and not the subject of the sentence, there is
no reasonable antecedent for the pronoun it;
in this construction, the subject of made is
fossils, but it makes no sense to say that the
fossils made it the earliest known mammal.
既然这道题it不能指代介词宾语,为什么上面一道题可以?请牛牛解释~~~thx!!!
-- by 会员 bonfin (2011/10/29 1:24:01)
of synthetic fertilizers是所有格形式,their也是所有个形式,所以可以指代