PEOPLE BELIEVE THAT 13 IS AN UNLUCKY NUMBER. A. IT WAS BELIEVED TH...

36. People believe that 13 is an unlucky number.

A. It was believed that 13 is an unlucky number.

B. That 13 is an unlucky number is believed.

C. 13 is believed an unlucky number.

D. It is believed that 13 is an unlucky number.