单项选择题Question 10 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news.
A.made it "legally binding" for states to protect all nuclear facilities and materials
B.dealt with the protection of nuclear facilities and materials not only in transport but also in use and storage
C.also provided for expanded international cooperation to prevent nuclear theft.
D.only dealt with fissile materials while in transport.