Art historians are using a process known as infrared scanning in analyzing the Mona Lisa to determine if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done by many artists of the time.
(A) if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done
(B) if it had been altered since completion and if Leonardo da Vinci first sketched the figure in black, a practice employed
(C) whether it has been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice employed
(D) whether it was altered since completion and whether Leonardo da Vinci first sketched the figure in black, as was done（C）
(E) whether it had been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice done
我想问的是，为什么正确答案Ｃ中不会产生a practice 究竟是指whether it has been altered since completion 还是whether Leonardo da Vinci first sketched the figure in black的歧义?
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发表于 2005-5-28 17:19:00
楼主
弄错了.a practice同位语修饰的逻辑主语是主句题干中的a process,但它为什么不会产生修饰后面WETHER的歧义呢?
