Look at the trouble I am in! I had followed your advice.A. Only ifB. If onlyC. Even ifD. S

问题补充：

Look at the trouble I am in! I had followed your advice.

A. Only if

B. If only

C. Even if

D. So long as

答案：

A. Only if

(答案→)B. If only

C. Even if

D. So long as

解析：连词辨析。A只要；B要是…就好了；C即使，尽管；D只要；句意：看看我的麻烦，要是我采纳你的建议就好了。根据句意说明是与过去事实相反，故使用过去完成时表示虚拟语气。故B正确。