Question

【題目】(2015.江蘇)The real reason why prices ____ , and still are, too high is complex, and no short discussion can satisfactorily explain this problem.
A.were
B.willbe
C.havebeen
D.hadbeen

Answer 1

【答案】A
【解析】句意：過(guò)去和現(xiàn)在價(jià)格一直居高不下的真正原因很復(fù)雜，簡(jiǎn)短的討論解釋定問(wèn)題無(wú)法讓人滿意，根據(jù)題干中”and still are“的提示可知過(guò)去價(jià)格也居高不下，故用一般過(guò)去進(jìn)，表示過(guò)去的狀態(tài)。故選A項(xiàng)。