Rachel Walks into Her Boss's Office and Makes the Following

Multiple Choice

Rachel walks into her boss's office and makes the following apology: "I was wrong to yell at you when I found out that my trip had been canceled.I did a poor job of controlling my emotions.I'll do better next time." What component of an apology has Rachel failed to include?

A) acknowledgment of a mistake
B) acceptance of responsibility
C) sincerity and timeliness
D) an expression of regret
E) a commitment not to repeat the offense