单项选择题
Her father gave her the（）of going on to college or starting to work.
A.coordination B.insight C.phase D.alternative
单项选择题 Economic benefits must be weighed（）the possible dangers of handling radioactive waste.
单项选择题 She declined to travel at the（）of her company and paid for the trip herself.
单项选择题 She is（）treatment at the hospital
