问题
选择题
A Sichuan government official expressed their thanks through CCTV for the aid they ______ in the last three years.
A．would receive
B．are receiving
C．have received
D．had received
答案
答案：D
这题考查时态，根据时间顺序，他们接受帮助应该在表达感谢之前，表示过去的过去，选D，句意是：一个四川政府官员通过CCTV表达了对过去三年中获得的帮助的感谢。