问题
选择题
President Obama held talks with Chinese President Hu Jintao in Beijing, ________ economic recovery, climate change and stopping the spread of nuclear weapons.
A．which was discussed
B．in which they-discussed
C．when they discussed
D．which discussed
答案
答案：B
考查非限制性定语从句。句意“奥巴马总统和胡 * * * * 在北京举行了多次谈话，谈话中，他们讨论了经济复苏，气候变化和阻止核武器扩散等问题。”先行词是talks，从句缺少地点状语，in which相当于where。故选B。
