Can someone provide a detailed explanation. Thanks!
The main idea of this question is:Artists
at the workshop will demonstrate
innovative painting techniques that allow painters to create three-dimensional painting
The part: "one who is an award winner" is just modifier of Artists.
A) one who ==> Clearly wrong because "one who" does not make any sense.
B)one of them who ==> Somebody may think B is correct, but it's wrong. Why? Because "them" means Artists. So if you change "them" to "artists",
the sentence will be: Artists at the workshop, one of Artists who is.....
==> Clearly wrong, because "who" modifies the preceding noun - Artists - that is plural.
The usage "is" is wrong.
C)and one of them who ==> Double wrong. (1) "and" does not make sense, cause there's no parallel structure here; (2) same reason as B.
D)one of whom ==> Correct
. we use "who" for objective, and "who" for subject.
E)one of which ==> "which" is wrong.
Hope it helps.
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