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

最早提出“什么知识最有价值”这一经典课程命题的学者是（）。

A.夸美纽斯

B.斯宾塞

C.杜威

D.博比特