A.The Citigroup has been worst hit by the international credit crisis.
B.The Citigroup has already started to reduce the size of its business.
C.The Citigroup has encountered great losses in the credit crisis.
D.The Citigroup has decided to take measures to deal with great losses.


A.his reports covered the confidential information.
B.the three murder cases all involved elderly women.
C.all the victims had some similarities with his late mother.
D.he was responsible for the disappearance of a women.
A.is an issue that appeared only recently.
B.has decreased dramatically since the l970s.
C.originated from ancient Greece.
D.has been completely controlled by WADA.
A.is always accurate and reliable.
B.is proved to be inaccurate.
C.may sometimes show inaccuracy.
D.has helped end doping in sport.