Question

一道完型填空求助 Of course to Londoners the word “city” means “the City” with a capital C……

Of course to Londoners the word “city” means “the City” with a capital C, that square mile eventually marked out and ______ in by the Romans after they after they had set up their original camp by the Thames about 50 A.D.
A.caved B.walled C.took D.pulled
“the City” with a capital C 是什么意思？
还有看不懂，求翻译。。

Answer 1

对于伦敦人来说，将city的首字母C大写，则the City指城市。

Answer 2

City是以大写字母C为开头

Answer 3

名副其实的城市，with a capital C 名副其实的意思