鸦片战争以来，随着近代工商的发展，城市近代化的基础设施在通商口岸和一些商埠逐步兴起，人们的生活习俗随之发生变化，其中变化最大的要数： [ ]

A．北京

B．上海

C．南京

D．天津

He asked ______the work was done as it had been planned ______.

A．whether; yesterday

B．whether; the day before

C．that; yesterday

D．that; the day before