The majority of the current population in the UK are decedents of all the following tribes respectively EXCEPT________.

A．To look into the mental health of old people.
B．To explain why people have negative views on old age.
C．To help correct some false beliefs about old age.
D．To identify the various problems of old age.

A．Countries paid a heavy price for whichever measure taken.
B．Countries all found themselves in an economic dilemma.
C．Withdrawal of foreign capital resulted in the crisis.
D．Most governments shose one of the two options.