The growth of the railroads led to the abolition of local times, which was determined by when the sun reached the observer' s meridian and differing from city to city, and to establishment of reginal times.
A. which was determined by when the sun reached the observer' s meridian and differing
B. which was determined by when the sun reached the observer' s meridian and which differed
C. which were determined by when the sun reached the observer' s meridian and differing
D. determined by when the sun reached the observer' s meridian and differed
E. determined by when the sun reached the observer' s meridian and differing
答案是E, differing和reached并列修饰times, 但形式不一致啊? | 
