What does the information about the sheik of Dubai show about the Palm Islands?

A.
The Palm Islands were built to help Dubai make money.

B.
The Palm Islands could not be built in the desert climate.

C.
The Palm Islands were constructed by thousands of workers.

D.
The Palm Islands contained a large portion of Dubai's oil.

C. The information about the sheik of Dubai does not provide any information about the purpose of the Palm Islands or their economic function. It only suggests that the Palm Islands were constructed by thousands of workers.