If it _______ for his invitation the other day, I should not be here now.
A:had not been
B:should not be
C:were not to be
D:should not have been
七年级李凯同学经常与人打架,班主任老师非常生气,竟然对他说:“我班上不要你了!”对此,李凯的不正确做法是 ( )
“胜人者力,自胜者强”,启示我们做一个自强的人应( )