单选题 Anti-drug work has become a ______ of attention among the international community with the spread of drug abuse in the world.

【正确答案】 D
【答案解析】(focus焦点)。句意为：随着吸毒的现象在全世界蔓延，禁毒工作成为国际社会关注的焦点。A．spot斑点；B．center中心；C．zoom嗡嗡声。