Passage Two

What is the size of Larsen B ice shelf before it disintegrated in the 1900s a. It covered more than 2,000 square kilemeters, and was 300 meters thick. b. It covered more than 3,000 square kilemeters, and was 100 meters thick. c. It covered more than 3,000 square kilemeters, and was 200 meters thick. d. It covered more than 2,000 square kilemeters, and was 100 meters thick,

宏观调控房地产市场中，以合理利用土地、协调城市物质空间布局、指导城市健康有序地发展为己任，对土地开发、利用起指导作用的手段是( )。

A．土地供应政策
B．地价政策
C．金融政策
D．城市规划