问题补充：
Nanjing isn’t so large Shanghai, however, it’s the second city in East China.
A. like; largest
B. as; largest
C. like; large
D. as; large
答案：
A. like; largest
(答案→)B. as; largest
C. like; large
D. as; large
解析：第一空考查短语 not so … as “不如”；第二空考查形容词最高级。 南京不如上海大，然而南京是华东第二大城市。选B
