In relation to the law of contract:

(a) discuss specific performance as a remedy for breach of contract and cite instances in which the court would refrain from granting an order for specific performance; (6 marks)

投资控制、进度控制、质量控制等进行信息分类是从()角度进行分类。

A．按项目管理工作的对象

B．按项目实施的工作过程

C．按项目管理工作的任务

D．按信息的内容属性