单选题 The Portuguese give a great deal of credit to one man for having promoted sea travel, that man prince Henry the navigator, who lived in the 15th century.
A. was B. was called C. calling D. being

【正确答案】 D
【答案解析】[解析] 本题考查的是同位语独立结构。后半句是独立结构，是one man的同位语。 A、B用了谓语动词形式，应排除；C项应为被动形式。因此正确答案为D。