We have been told that under no circumstance the telephone in the office for personal affairs.
A. may we use
B. we may use
C. we would use
D. did we use
网友回答
(答案→)A. may we use
B. we may use
C. we would use
D. did we use
解析：考查倒装结构。宾语从句中有否定词no circumstance放在句首，故从句主谓要倒装，根据句意为我们可以再办公室使用电话，故选A。