问题
选择题
Mr. Mao, who as a construction worker for over 8 years, is now a distinguished lawyer in this country.
A．has worked
B．had worked
C．worked
D．has been working
答案
答案：C
题目分析：句意：毛先生，曾经作为一名建筑工人工作了8年，现在是这个国家著名的律师。表示发生在过去的事情，故用一般过去时，选C。