Jane's Eight-Year-Old Son Brought a Note Home from School Stating

Jane's eight-year-old son brought a note home from school stating that he was involved in a fight at recess.Which statement is an example of an external attribution that Jane might make to explain her son's behaviour

A)  "The other child probably started the fight and my son was protecting himself." 
B)  "He always gets in fights." 
C)  "He probably couldn't help himself since he doesn't have much self-control." 
D)  "He's just like his father."