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Q:
A) Many Japanese cities had extensive tram systems until the 1960s, when increased motorization started to make some lines disappear. | B) Increased motorization started to make some lines disappear after the1960s until when many Japanese cities had extensive tram systems. |
C) When increased motorization started to make lines disappear, many Japanese cities have extensive tram systems until the 1960s. | D) Until the 1960s, when increased motorization started to make some lines disappear, many Japanese cities had extensive tram systems. |
Answer: C) When increased motorization started to make lines disappear, many Japanese cities have extensive tram systems until the 1960s.
Explanation:
Explanation:
‘has’ is incorrectly used since the sentence is in past tense. Moreover, the subject is cities, which is plural.