The box is so heavy that he can’t lift it. , he is only a little child.
A. At all
B. In all
C. First of all
D. After all
网友回答
A. At all
B. In all
C. First of all
(答案→)D. After all
解析：考查介词短语辨析。At all根本，全然；in all共计；first of all首先；after all终究；毕竟。句意：那个盒子太重了他抬不起来，毕竟他只是一个小孩子。