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 of　　　　　　　　　　　 B. at the risk of

C. at the cost of　　　　　　　　　　 D. 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.

1. A.
   at the mercy of
2. B.
   at the risk of
3. C.
   at the cost of
4. D.
   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 of    B. at the risk of  C. at the cost of  D. 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 of                                                            B. at the risk of

C. at the cost of                                                               D. 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 of                                                            B. at the service of

C. at the cost of                                                                   D. at the risk of