Under Article 226 of the 1962 Constitution, who was the first to assume the role of ___________ in Pakistan, with Field Marshal Ayub Khan being the individual?

Explanation

Option A refers to the Head of the Executive, which is not the exact title. Option B denotes the Martial Law Administrator, a different role. Option C is correct as Field Marshal Ayub Khan became the first President of Pakistan under the 1962 Constitution. Option D is incorrect as there is a valid answer.