Success means working hard, but working hard doesn’t mean success.
A. certainly
B. necessarily
C. probably
D. possibly
网友回答
A. certainly
(答案→)B. necessarily
C. probably
D. possibly
解析：词义辨析。．certainly肯定的，一定的；necessarily必然；必定；probably和．Possibly可能的。成功意味着工作努力，但努力并不意味着必然成功。选B。