The train from Wenzhou to Hangzhou speed can reach about 300km/h benefits traveling people.
A. whose
B. where
C. that
D. which
网友回答
(答案→)A. whose
B. where
C. that
D. which
解析：考查定语从句：句意：从温州到杭州的火车速度可达到每小时300公里使旅行的人受益。先行词是the train，定语从句中speed缺少定语，用whose引导定语从句。选A。