| A.Because it was held at an area popular for vacation travelers. |
| B.Because the Russian government wanted to make it the best ever held. |
| C.Because security measures at Sochi were stricter than before. |
| D.Because the original plan was made 7 years before. |
| A.a terrorism expert from the USA |
| B.the writer who wrote this article |
| C.an athlete who competed in Sochi |
| D.a terrorism expert from RAND Corporation |
| A.Sochi Olympics cost about 4 times as estimated. |
| B.Next winter Olympics will be held in Vancouver. |
| C.Many countries refused to attend the 1980 Olympics. |
| D.Security is often a problem in international sport games. |
| A.they wanted to make trouble for the Russians |
| B.they thought Russia shouldn't spend so much on sport |
| C.they thought Putin was not a nice president |
| D.they were not interested in winter sports |