In the 1960s pop music underwent a revolution when ______ became world famous and turned their home town of Liverpool into a place of pilgrimage.

A．Kofi Annan said this was going to be a five-to-ten year effort costing 250 million dollars
B．Human is spending nine hundred billion dollars a year on military expenditure.
C．Wolfensohn called people to stop spend money on military expenditure
D．Wolfensohn believed that the poverty would never be relieved