In each of the questions given below a/an idiom/phrase is given in bold which is then followed by five options which then tries to decipher its meaning as used in the sentence. Choose the option which gives the meaning of the phrase most appropriately in the context of the given sentence.

Q:

If I complete this last straw, I will complete this level.

• 1
  last stage of any work
• 2
  the final problem in a series of problems
• 3
  last thing in the series of distribution
• 4
  the final judgment on serious matters
• 5
  last page of any book