The need for an operation especially an immediate operation almost always comes as a to

问题补充：

The need for an operation，especially an immediate operation， almost always comes as a to the patient and his family.

A. result

B. happiness

C. disappointment

D. shock

答案：

A. result

B. happiness

C. disappointment

(答案→)D. shock

解析： a shock to the patient and his family一件令病人和他的家人震惊的事。