Correct option is A
Queen Elizabeth II of the United Kingdom was the longest-reigning monarch in British history. She ascended the throne in 1952 after the death of her father, King George VI, and reigned for 70 years until her death in 2022. She passed away at the age of 96, marking a significant era of stability and service in the United Kingdom. During her reign, she witnessed immense global change, including the decolonization of Africa, the Cold War, and the rise of modern Britain. Her reign was notable for maintaining the tradition of the British monarchy while modernizing its public image.
Thus, the correct answer is (a) She reigned for 70 years and died at the age of 96 years.