The following are the Nobel Prize laureates in physiology or medicine EXCEPT ______
The likely cause of the Irish Republic Army announcing Truce declaration is ______．

A．Mothers who bottle-feed their babies.
B．Workers in milk power plants and office workers.
C．Nannies and bakers who often handle milk powder.
D．Blue-collar workers who have asthma.

A．they are very corpulent themselves
B．the assessment system is not sound
C．people should have their own rights
D．it may cause a lot of social problems