虽然时代不同，我想历史古迹总该是依旧吧。（ ?）

虽然时代不同，我想历史古迹总该是依旧吧。（ ?）
A、Although times are not the same， but the historic sites， I presume， must have remained the same.
B、Although times are different， however the historic sites， I think， must be the same.
C、Times are different， but the historic sites， I presume， must have remained the same.
D、Times are not the same， the historic sites， I think， must remain the same.
正确答案：C