Since there is no such       thing as a free lunch in the world,      one million people of the city decided to build their home by themselves.

A．a; the

B．/; /

C．/; the

D．a; /

第二次世界大战后，法国和德国（联邦德国）由敌视转为和解。下列各项中，表明法德和解的最早的历史事件是 [ ]

A、北大西洋公约组织的成立

B、欧洲煤钢联营的建立

C、原子能共同体的成立

D、《马斯特里赫特条约》的签订