A.The travel notes are so colorful and vivid that I felt I was there and they gave me great pleasure.
 B.The travel notes gave me great pleasure as they are colorful and vivid which made me feel there.
 C.The colorful and vivid travel notes gave me great pleasure after I read them.
 D.Reading the travel notes gave me great pleasure because they are so colorful and vivid that I felt I was actually there.
参考答案：……