单选题The need for an oper

问题补充：

单选题Theneedforanoperation，especiallyanimmediateoperation，almostalwayscomesasa______tothepatientandhisfamily.A.resultB.happinessC.disappointmentD.shock

答案：

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