Grant was one of a body of men who were self-reliant（）, who cared hardly anything for the past but had a sharp eye for the future．

A. It is considered by legend to be rich in gold
B. It was once famous as a beautiful resort
C. It is located in a volcanic crater in California
D. It used to be the center of a mining village

A. sad
B. unfortunate
C. strange
D. humorous