Look at the trouble I am in! _______I had followed your advice.
A．Only ifB．If onlyC．Even ifD．So long as
B

試題分析：連詞辨析。A只要；B要是…就好了；C即使，盡管；D只要；句意：看看我的麻煩，要是我采納你的建議就好了。根據(jù)句意說明是與過去事實相反，故使用過去完成時表示虛擬語氣。故B正確。
點評：動詞if only后面的從句使用虛擬語氣。如果與現(xiàn)在事實相反，用過去時；如果與過去事實相反，用過去完成時；如果與將來相反就使用過去將來時。本題前面的did說明是與過去事實相反。
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