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.being

C.is

D.having been答案：B难度：1知识点：词汇与结构部分\辅导书\书A\结构A

A.was

B.being

C.is

D.having been

正确答案：B

解析:词汇与结构部分\辅导书\书A\结构A