、设全集<Object: word/embeddings/oleObject24.bin>，集合<Object: word/embeddings/oleObject25.bin>，则<Object: word/embeddings/oleObject26.bin>（ ）。
A.A．<Object: word/embeddings/oleObject27.bin> B.<Object: word/embeddings/oleObject28.bin> C. <Object: word/embeddings/oleObject29.bin> D. <Object: word/embeddings/oleObject30.bin>
正确答案是D