Option A, Abbasid is the right answer.
In the history of Islam, the period between 8th to the 14th century is considered to be as the Islamic Golden age. During this period, much of the Islamic world was ruled by the Abbasid Caliphs (in particular by Harun al-Rashid, 786 to 809). During its golden age, economic development, cultural works and science reached its peak. Scholars from around all over the world translated the world's classical knowledge into the Arabic language in the House of Wisdom in Baghdad.
Answer:
The Abbasid dynasty was in rule during this time period
