Who among the below has served as the President and Prime Minister of Pakistan?

A. Zulfiqar Ali Bhutto
B. Ayub Khan
C. Muhammad Mian Soomro
D. All of the above

People who served as the President and Prime Minister of Pakistan

Zulfiqar Ali Bhutto, Ayub Khan and Muhammad Mian Soomro, all of the these have served as the President and Prime Minister of Pakistan