The answer is B: bob yelled at his kids after his boss blamed him when the company lost its largest sales account, even though bob wasn't responsible for the account.
Although there is no proven direct correlation between frustration and aggression, there is a hypothesis, first stated by John Dollard, Neal Miller, Leonard Doob, Orval Mowrer, and Robert Sears in 1939, later revised, that claims that frustration can lead to an aggressive reaction, though not necessarily, whereas, interestingly, it is believed that all aggressive behavior is a result of frustration.
