TheIronLady，MerylStreepplayedtheroleofformerBritishPrimeMinisterMargaretThatcher，wonherthebestleadingactressofthisyear'sAcademyAwards（Oscars）．（）A.whichB.
The Iron Lady， Meryl Streep played the role of former British Prime Minister Margaret Thatcher，won her the best leading actress of this year's Academy Awards（Oscars）．（ ）
A. which
B. for which
C. in which
D. what
句中含有非限制性定语从句，先行词是The Iron Lady，这是一部电影的名称，从句中表达的是演员在这个电影中所扮演的角色，从句中不缺主语、宾语、表语，所以应该用关系副词或介词+关系代词引导定语从句，在电影中，应该用介词in，所以用in which．
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