Alone in a deserted house he was so busy with his research work that he felt but lonely.A

问题补充：

Alone in a deserted house, he was so busy with his research work that he felt but lonely.

A. nothing

B. anything

C. all

D. everything

答案：

A. nothing

(答案→)B. anything

C. all

D. everything

解析： 考查短语：nothing but仅仅，只是，anything but决不，一点也不，句意：单独在一个荒凉冷清的房子里，他如此的忙于他的研究工作以至于他一点也不感到孤独寂寞。故选B。