Look at the trouble I am in! If only I your advice!A. followedB. had followedC. should fo

问题补充：

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

A. followed

B. had followed

C. should follow

D. would follow

答案：

A. followed

(答案→)B. had followed

C. should follow

D. would follow

解析：句意：看我现在的麻烦，要是我早听了你的建议就好了。If only后跟虚拟语气，对现在的虚拟用过去式，对过去的虚拟就用过去完成时，这里因为过去没有听建议，所以时对过去的虚拟，故选B。