In 1942，Columbus on the of the Bahama islands, but he mistook it for an island off India.
A. lands
B. landed
C. has landed
D. had landed
网友回答
A. lands
(答案→)B. landed
C. has landed
D. had landed
解析：考查时态题。句意：在1942年，哥伦布登上了巴哈马岛，但是他误以为他是一个印度小岛。根据前文时间状语，可知主句描述的是过去某事发生的动作，故用一般过去时态。选B。