After gradual declension down to about 39 hours in 1970, the workweek in the United States has steadily increased to the point that the average worker now puts in an estimated 164 extra hours of paid labor a year.
(A) After gradual declension down
(B) Following a gradual declension down
(C) After gradual declining down
(D) After gradually declining
(E) Following gradually declining
不是名词优于动名词吗,为什么不用a而选d呢?
-- by 会员 saturnor (2010/8/12 0:30:41)