大全1-7

ambrosecelin

7.     Which of the following, if true, would most weaken the author’s assertion that, in the 1970’s, corporate response to federal requirements (lines 18-19) was substantial

(A) Corporate contracts with minority-owned businesses totaled $2 billion in 1979.

(B) Between 1970 and 1972, corporate contracts with minority-owned businesses declined by 25 percent.

(C) The figures collected in 1977 underrepresented the extent of corporate contracts with minority-owned businesses.

(D) The estimate of corporate spending with minority-owned businesses in 1980 is approximately $10 million too high.（E）

(E) The $1.1 billion represented the same percentage of total corporate spending in 1977 as did $77 million in 1972.

知道选E的原因，但不明白，A,B,C的确切错误...

诚恳请教一下...谢谢！！！

ambrosecelin

拜托拜托...