Which current Amir is represented by the transition of power dated 25 June 2013?

• A Sheikh Jassim bin Mohammed bin Thani
• B Sheikh Ahmad bin Ali Al Thani
• C Sheikh Khalifa bin Hamad Al Thani
• D Sheikh Tamim bin Hamad Al Thani ✓

Sheikh Tamim assumed his duties as Amir on 25 June 2013.