In the seventh century B.C., the Roman alphabet was adapted from the Etruscan alphabet, which in turn had been adapted in the previous century from a western Greek alphabet, which itself had been adapted earlier in the same century from the Phoenician alphabet.
According to the Economic Development Corporation of Los Angeles County, if
one were to count the Los Angeles metropolitan area as a separate nation, it would
have the world’s eleventh largest gross national product, that is bigger than that of
Australia, Mexico, or the Netherlands.
(A) if one were to count the Los Angeles metropolitan area as a separate
nation, it would have the world’s eleventh largest gross national product,
that is
(B) if the Los Angeles metropolitan area is counted as a separate nation, it
has the world’s eleventh largest gross national product, that being
(C) if the Los Angeles metropolitan area were a separate nation, it would
have the world’s eleventh largest gross national product,
(D) were the Los Angeles metropolitan area a separate nation, it will have
the world’s eleventh largest gross national product, which is
(E) when the Los Angeles metropolitan area is counted as a separate nation,
it has the world’s eleventh largest gross national product, thus
正确答案是C
答案里对原文最后that is bigger than that of Australia, Mexico, or the Netherlands的解释是:This discriptive information is most efficiently presented as a terminal adjective phrase. 请问这是什么用法呢?
另外D选项中的which is,OG解释为indirect and wordy,我直接理解为非限制性定语从句了,不知道为何indirect and wordy?
I assume you know why D is wrong. Here I'm going to explain why "which is" is wordy in D. Let me ask you - if you remove "which is" from the sentence, will the meaning of the sentence change or the sentence become ungrammatical? Apparently not! Therefore, "which is" is wordy here.