26.
We should do some marketing research on the Colorado district.
(A)It's about 20 minutes away.
(B)I don't like their market.
(C)Yes, it's a fast-growing area.
我们应该在科罗拉多区做〒些市场研 究。
(A)大约有20分钟的距离。
(B)我不喜欢该市场区域。
(C)是的，该地区发展迅速。
答案：C
单词：
a.research n.研究（不可数）
carry out / do / conduct research on... 针对做研究
例句：The scientist carried out extensive research on global warming.
(该科学家针对全球变暖进行广泛研究。）
*extensive a.广泛的
b. district n.区域
c.fast-growing a.发展快速的