When __________be was he had become a famous artist．

A．his early thirty

B．in one’S early thirties

C．his early thirties

D．in his early thirties

大学本科考试 大学专科考试 自考专本科 成考考试 网教考试 考研考博 外语考试 英语类别 继续教育类 大学考试 学历类