Cook was a strict but good captain, who, usually, took care of the sailors on his ship.
A. the one
B. one
C. that
D. this
网友回答
A. the one
(答案→)B. one
C. that
D. this
解析：考查同位语及定语从句。one 做a strict but good captain的同位语，并且做后面定语从句的先行词，句意：库克是一名严格而又和蔼的队长，他经常照顾他船上的船员们。所以选B。