Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era when the city had transformed from a collection of suburban neighborhoods to the second-largest city in the United States
.
(B) an era during which the city was transformed
(E) during which the city was transformed
What is wrong with E
.
(B) an era during which the city was transformed
(E) during which the city was transformed
What is wrong with E












