---Has John repaired his washing machine?---He had it______，because he was so busy.A.to repairedB.repairC.repairedD.to be repairing
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C解析这题考查这题考查have做使役动词的用法：have做使役动词，后面可以接宾语+宾语补足语，宾语补足语可以是：不带to的不定式，现在分词，过去分词。这句话里：his washing machine和repair是被动关系，所以用过去分词做宾语补足语。Have sth done可以是：“请人做”。句意是：他请人修的，因为他很忙。选C。