(A), (C) and (E) are incorrect because "Timetables...use Moscow time" doesn't make sense. Moscow time is used for timetables is the correct meaning!
(D) is incorrect because the pronoun "those" refers to the noun railway stations, which is unnecessarily far away from the pronoun "those".
Hence (B) is the correct answer!
(D) is incorrect because the pronoun "those" refers to the noun railway stations, which is unnecessarily far away from the pronoun "those".
Hence (B) is the correct answer!