A woman living alone for a long time. One day, one of her friends to her house to play, the two have been chatted late into the night. To 23:00, the friend under the bed to get something, suddenly said to be the hostess with her to buy out juice, when shops have closed, but guests still insist on going, saying she must have a fruit juice drink. Why?
Company plans to choose from five business backbone few people go back to school. General recommendations: 1. If you select A, then B must be selected and can not choose C; 2. If you choose option B or C, you can not choose D; 3. Choose neither E nor can choose D. Consider the general manager's recommendation, the Board considers, A must be training, so who will go with her studies?
1. B and E; 2. B and D; 3. E and C; 4. D and C.
