The Hotel Al Arab ______ the first and only 7-star hotel in the world was designed in the shape of a sail

of 321 meters. [ ]

A. was considered

B. considering

C. being considered

D. considered

属于水溶性维生素的是 （）

A.维生素E

B.维生素K

C.维生素C

D.维生素A

E.维生素D