问题
选择题
His father, who is said to be teaching in Australia, ____ in Nanjing University for more than 10 years.
A．has worked
B．had worked
C．worked
D．has been working
答案
答案：C
根据上文他的父亲，据说在澳大利亚任教，可知下文叙述的是过去发生的事情，故句子用过去时态，选C。