Tony Has a Vendetta Against Pat

Tony has a vendetta against Pat. He sets out to cut the brake lines in his car in hopes he winds up fatally crashing later that day. He finds Pat's car in his work lot and successfully cuts the brake lines. He anxiously counts down the minute until the time he knows Pat typically leaves work. Pat fatally crashes on his way home from work. If Tony is charged with a crime for what reason will it not be attempt?

A) Tony did not have the intent or purpose to commit the crime.
B) Tony did not complete an act toward the commission of the crime.
C) Tony did not fail to complete the crime.