The reason _________ he was ill that day was actually made up by his brother．In fact, the reason _________ he was absent is _________ he went to see a film．A.that; why; thatB.for which; why; thatC.that; why; becauseD.why; that; because
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A解析reason后面可接介词短语for sth;如果接定语从句，要用why或that引导，也可不要引导词。但reason作主语时，表语从句要用that引导。