United State of America on 18 June 2013 announced that it will held direct peace talks with Taliban. The announcement from US came after Taliban opened its first political office at ______________. The office has been opened to help in ending the 12 years old conflict. To bring the talks in process, US agreed to drop the series of preconditions that have held back the negotiations, previously?

• A. Doha, Qatar
• B. Dubai
• C. Yemen
• D. Oman