Unwilling to his children the old couple moved to the nursing home.A. be burdened withB.

问题补充：

Unwilling to his children, the old couple moved to the nursing home.

A. be burdened with

B. be burdened by

C. be a burden with

D. be a burden on

答案：

A. be burdened with

B. be burdened by

C. be a burden with

(答案→)D. be a burden on

解析：考查词组：be burdened with有…负担，be a burden on是某人的负担，句意是：不愿做孩子的负担，老夫妇搬到疗养院。选D。