发现整理出来的OG解题原创的第80题，居然和偶OG书上的题目不一样......只好在拉出来问啦
The program to control the entry of illegal drugs into the country was a failure in 1987. If the program had been successful, the wholesales price of most illegal drugs would not have dropped substantially in 1987.
The argument in the passage depends on which of the following assumptions?
a) The supply of illegal drugs dropped substantially in 1987
b) The price paid for most illegal drugs by the average consumer did not drop substatially in 1987.
c) Domestic production of illegal drugs increased at a higher rate than did the entry of such drugs into the country.
d) The wholesale price of a few illegal drugs increased substatially in 1987
e) A drop in demand for most illegal drugs in 1987 was not the sole cause of the drop in their wholesale price.
答案是E，想不通，完全没有思路
请各位NN指点.
drug price decrease due to supply > demand
原文假设demand不变， supply 减少，drug price 减少， The program 不成功。
E 说 demand 减少 supply 不变 也能推出 drug price 减少， The program 不成功.
哎，明白了，我觉得ETS脑子里好像多了根筋， 我真么也想不到supply大于demand这种问题上去。。。。。
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