[求救]大全3-14 (未讨论过)

WhiteScarf

Of the countries that were the world’s twenty largest exporters in
1953, four had the same share of total world exports in 1984 as in
1953. Theses countries can therefore serve as models for those
countries that wish to keep their share of the global export trade
stable over the years.
Which of the following, if true, casts the
most serious doubt on the suitability of those four countries as models
in the sense described?

(A) Many countries wish to increase their share of world export trade, not just keep it stable.
(B) Many countries are less concerned with exports alone than with he balance between exports and imports.
(C) With respect to the mix of products each exports, the four countries are very different from each other.
(D) Of the four countries, two had a much larger, and two had a much smaller, share of total world exports in 1970 than in 1984.
(E) The exports of the four countries range from 15 percent to 75 percent of the total national output.

答案是D

想不明白为什么，谁可以解释一下吗?

请教大家了，拜托帮帮忙阿各位，感激不尽

CompuComedy

D)说明在这20多年间，这四个国家出口份额也是大起大落，因此不适合做模板。

WhiteScarf

我终于看懂句子的意思了 谢谢你阿CompuComedy