She felt sorry she had disturbed the calmness of a man she respected.
A. regular
B. curious
C. usual
D. various
网友回答
A. regular
B. curious
(答案→)C. usual
D. various
解析：usual“惯常” ,如:This is not my usual work.Playing chess is his usual pastime.as usual“像以往一样”；than usual “比以往”。As usual,he arrived early.I’m feeling better than usual.