单项选择题
A．has more influence on rock music B．has sold fewer records of his songs C．is more important in the record industry D．is less important in American rock
A．The reasons for brickmaking in Jamestown. B．The cause of the failure of Jamestown. C．The laws of the Virginia colonists. D．The problems of the early American colonies.
A．a rock singer B．an English singer C．a blues singer D．a country singer