He worked hard and achieved what he set out to do, but ________ what he had owned, including his health and his marriage.
A. at the mercy ofB. at the risk ofC. at the cost ofD. at the service of
He worked hard and achieved what he set out to do, but ________ what he had owned, including his health and his marriage.
A. at the mercy ofB. at the risk ofC. at the cost ofD. at the service of
C