Which of the following most logically completes theargument?
United States manufacturers currently produce most of theworld's solar-power generators--most of which are exported to Europe. However, European manufacturers are emergingand probably will ultimately capture much of the European market. The United States government is funding initiativesintended to encourage use of solar power within the United States. If these initiatives succeed in increasing thedemand for solar-power generators in the United States, United Statesmanufacturers will probably maintain significant production levels, since__________.
(A) some United States manufacturers have been substantiallyincreasing their output over the last several years
(B) the efficiency of solar-power generators inconverting energy from the Sun into electric power is not improving as fast asit once did
(C) just as European manufacturers enjoy certain competitiveadvantages in Europe, so do United States manufacturers in the United States
(D) European governments are currently undertakinginitiatives to stimulate the use of solar power within Europe
(E) the current market for solar-power generators in theUnited States is very limited
参考答案: C
思路：A：与最后一句话前面的信息无关，这是填空题中 迷惑的选项!
B：这跟“美国保持很高产量”无关;
D：跟“美国保持产量”这个现象没关系了。
E：刚好解释反了;
C：刚好用“欧洲的情况”来解释了“为什么美国仍然保持很高的产量”。因为美国就像欧洲一样，大力开发了国内市场。满足正确答案的特征。正确答案。