Katie’s parents never see her as the mothering type but when her son was born she took to it like a _____ to water．

A．They are calling for more freedom．
B．Workers demand higher pay．
C．Some thirty people were killed by the police．

A．To prepare for the construction of nuclear plants in Europe．
B．To deal with the Fukushima nuclear disaster in Japan．
C．To test European nuclear power plants’ reaction to emergencies．