to looking after her sick mother for two years she badly needed a holiday.A. Having devote

问题补充：

to looking after her sick mother for two years,she badly needed a holiday.

A. Having devoted

B. Devoted

C. To be devoted

D. To have devoted

答案：

A. Having devoted

(答案→)B. Devoted

C. To be devoted

D. To have devoted

解析：本题考查非谓语动词。be devoted to致力于，专心于，在句中作状语，故选B。句意：专心于照顾她生病的母亲两年了，她非常需要一个假期。