Directions : Four alternatives are given for the idiom/phrase given in bold in the sentence. Choose the alternative which best expresses the meaning of the idiom/phrase and mark it in the Answer-Sheet

Q:

At his wit's end, he turned to his old trade.

• 1
  After careful thinking
• 2
  Overjoyed
• 3
  Not knowing what to do
• 4
  Confidently