There is enough information in the article to show that the author believes that Palm Deira

A. 
will be the best of the three islands.

B. 
will be the largest of the three islands.

C. 
will be too difficult to complete.

D. 
would attract the least amount of tourists.

The article does not provide enough information to determine the author's beliefs about Palm Deira being the best, the largest, too difficult to complete, or attracting the least amount of tourists.