1It doesn't matter so much whether he works hard；the question is whether he works .
A. above all
B. in all
C. at all
D. after all
网友回答
A. above all
B. in all
(答案→)C. at all
D. after all
解析：此题考查短语辨析。at all“全然，根本，真地”；above all“最重要的是”；in all“总共”；after all“毕竟，终究”。