In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option.
The subway system has become very safe and it has come a long way since the 1980s and 1990s where violence was rampant.

Options

A. has become very safe
B. a long way
C. where violence
D. it has come

Answer

C

Explanation

.Where. means in or to what place or position. However, when. means at what time. The given question states that the subway system has now become safe as compared to the times of high violent activities. Hence, .when violence. will be answer.