Not only _____ polluted, but _____ crowded.
A. was the city; were the streets
B. the city was; the streets were
C. was the city; the streets were
D. the city was; were the streets
Not only _____ polluted, but _____ crowded.
A. was the city; were the streets
B. the city was; the streets were
C. was the city; the streets were
D. the city was; were the streets
C
not only… but also…引导的并列句，前面的分句要倒装，而后面的不倒装。