Which of the following is not included as a step for cloning mini Mu in vivo?

• A. A culture of target strain, whose DNA we want to clone is infected with mini Mu
• B. The phage is inserted at multiple sites in the genome
• C. Some of the packaged strain is flanked by two mini Mu genes
• D. The packaged phage is introduced into a second strain and Mu would replicate as a phage