Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

dead ringer

• 1
  a competition whose outcome is already decided (by unfair means)
• 2
  a candidate fraudulently substituted for another in a competition
• 3
  a person who was in a situation to warn others is now missing
• 4
  a warning which comes too late, after the damage is done