to frighten the poor man, Mrs. Richards quickly hid under stairs.
A. Not anxious
B. Anxious not
C. Being not anxious
D. Not being anxious
网友回答
A. Not anxious
(答案→)B. Anxious not
C. Being not anxious
D. Not being anxious
解析：考查非谓语动词。本题考查形容词做原因状语的，否定not应放在不定式to之前，故选B。