Sadly the reading room where Karl Marx did a lot of reading had moved from its place into another building.
A. primary
B. temporary
C. traditional
D. original
网友回答
A. primary
B. temporary
C. traditional
(答案→)D. original
解析：词义辨析。A．主要的；初级的B．临时的C．传统的 D．原始的，独创的；新颖的；最初的。根据题意，不幸的是，卡尔马克思曾经大量阅读的阅览室已经从他原来的地方转移到另一所大楼里面了。故选D。