A、Opera music. B、Drama. C、Country music. D、Politics. C短文开头提到，Elvis Presley在乡村音乐、流行歌谣和蓝调方面都取得显著成功，C属于其中之一，故选C。

Elvis Presley is often referred to as the "King of Rock and Roll" or simply "the King". [23]He achieved unusually wide success in country music, pop ballads and blues.
    When Elvis Presley died on August 16, 1977, he began to be recognized as an American myth. Today, there are over 625 active Elvis fan clubs worldwide. Graceland, Elvis’ home and eternal resting place, is one of the most-visited historic homes in America,
    So why, after all these years, is the world stuck on Elvis? The answers lie in culture: Elvis Presley is American myth personified. He is greater than the sum of his songs and movies: [24]he symbolizes the American dream. Born in poverty in 1935, Elvis used his innate talent and started his career in 1954. He rose above his condition and achieved his dreams, without coming from a socially connected, politically powerful, or wealthy family. Globally, he has sold over ten billion records, more than any other artist, only to die young and leave behind a growing legion of fans.
    Those fans choose to overlook Elvis’ drug dependency and other excessive behavior, preferring instead to recall what they saw as his better nature. During his lifetime, Elvis donated money to charities and bought gifts for the poor and for his family and friends. Furthermore, the hometown boy, young Elvis, who made good, never left the comfort of Memphis, always keeping close to his roots, remembering the people and the places from which he came.
23 What did Elvis Presley succeed in?
24 Why is the world stuck on Elvis Presley?
25 How do the fans respond to Elvis’ drug dependency and other excessive behavior?