The Town Hall________in the 1800's was the most distinguished building at that time. [ ]

A. to be completed

B. having been completed

C. completed

D. being completed

一位前往洛阳经商的潞州商人，住在洛阳城中一处专供潞州人居住的建筑物里，接洽商务、汇兑、装卸货物，均极便利。此人因生意有成，在这栋建筑物里唱戏酬神。这位商人最可能身处那个时代？ 　[ ]

A、汉代

B、唐代

C、宋元

D、明清