Look at the trouble I am in. If only I your advice.A. followed　B. would followC. had foll

问题补充：

Look at the trouble I am in. If only I your advice.

A. followed

B. would follow

C. had followed

D. should follow

答案：

A. followed

B. would follow

(答案→)C. had followed

D. should follow

解析：考查虚拟语气。If only（要是…就好了）的用法和I wish的用法是一样的。句意;看看我现在的麻烦。要是我采纳你的建议就好了，说明没有采纳你的建议是过去所发生的事情，故使用过去完成时表示对过去的虚拟。故C正确。