During his first trip to China, President Obama discussed some key global issues such as economic recovery, climate change, _______ nuclear weapons in his talks with Chinese President Hu Jintao.

A．and stopping to spread

B．to stop spreading

C．to stop to spread

D．and stopping the spread of

2008年11月，两岸同胞渴望三十年的通航、通邮正式变为现实，“大三通”时代的到来将把人们带入“一日生活圈”，两岸真正实现“千里一日还”。对此，下列理解正确的有[ ]

A．这顺应了两岸人民的愿望，符合时代和历史发展潮流  

B．这有利于促进两岸经济发展

C．这有利于两岸同胞加强了解、增进感情  

D．这表明“台独”势力已经彻底失去了生存空间