【单选题】The manager of the travel agency was trying hard to figure out how he would attract more customers ____ an extraordinary idea _____ his mind and he immediately knew what to do. [ ]
【简答题】A.He knows clearly what he needs and wants. B.He has to give his audience some in-depth views. C.He knows it's very important to attract the attention of his audience. D.He knows how he delivers his s...