Also , yesterday my brother chased a black guy who came in and stole shit from our store . He ran after him for miles . Then the black guy got tired and started walking and so did my brother .

Based on the preceding passage, choose your answer for question Why is the brother so upset ?
OPT:
[A]. He was yelled at by a black guy ..
[B]. He was fired ..
[C]. None of the above choices ..
[D]. He was the victim of theft ..
The answer is:
[D].