The Safavid culture comming from the Safavid Empire was respected for many aspects such as ceramic and metal good prowess, and of course they set up the Twelver school of Shia Islam as official in the region, their culture has been so influential to the point that practically Iran's current language and religion are Safavid's legacy.
Due to Safavid influence, present-day Iran is the only country that has SHIA MUSLIM STATE GOVERNMENT.
Their high regard to physicians have not diminished since the Safavid Dynasty. Instead, the status of physicians are higher than ever and the medicinal works used during Safavid Dynasty are still being used in present-day Iran.
D, because that one starts with "why" which automatically opens it up for an argument. While the others are just simply statements or just a basic question.