You are the project manager managing the setting up of an oil rig in the Pacific Ocean. Which of the following could be a valid constraint when you are doing human resource planning for your project

A．Weak matrix organization structur

B．Unlimited budget since the project is very critical to meet compliance need

C．Oil price increasing above $60 per barre

D．None of the abov

云锦是产于云南的传统提花多彩丝织物，因其富丽豪华、花纹绚烂如云而得名。