同意楼上的说法，我作时也觉得此题有问题，只有A的平行结构正确，但A的“had become”看得不顺眼。实在没有办法，只能理解为： she had become ill before she was discharged in 1783. 即：她在1782-1783这一年之间had become ill, 所以此动作发生在she was discharged in 1783之前。
In an effort to reduce the number of fires started by cigarettes, a major tobacco company is test-marketing a cigarette in which thin layers of extra paper are used to decrease the amount of oxygen entering the cigarette, thereby slowing the rate at which it burns and lowering the heat it generates.
in which thin layers of extra paper are used to decrease the amount of oxygen entering the cigarette, thereby slowing
in which they use thin layers of extra paper in decreasing the amount of oxygen entering the cigarette, which slows
that uses thin layers of extra paper to decrease the amount of oxygen when it enters the cigarette, thereby slowing
for which thin layers of extra paper are used to decrease the amount of oxygen that enters the cigarette, and thereby slowing
using thin layers of extra paper in decreasing the amount of oxygen entering the cigarette, which slows
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
发表于 2004-9-13 01:29:00
