In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Question: Who was the Prime Minister after Shaukat Aziz? Passage:Shaukat Aziz (; born 6 March 1949) is a Pakistani economist and financier who served as 17th Prime Minister of Pakistan from 20 August 2004 to 15 November 2007, as well as the Finance Minister of Pakistan from 6 November 1999 to 15 November 2007. During his childhood he studied at St Patrick's High School, Karachi. Aziz graduated from the Institute of Business Administration in Karachi, and joined the corporate staff of the CitiBank Pakistan in 1969. He served in various countries' governments as CitiBank financier, and became executive vice-president of Citibank in 1999. After accepting a personal request by General Pervez Musharraf, Aziz returned to Pakistan from the United States to assume the charge of the Finance Ministry as its finance minister while taking control of the country's economy. In 2004, Aziz was nominated by the Musharaf loyalist government led by Pakistan Muslim League (Q), to the position of Prime Minister after the resignation of Zafarullah Khan Jamali on 6 June 2004.
Links: a. List of prime ministers of Pakistan b. Pervez Musharraf c. Economy of Pakistan d. Zafarullah Khan Jamali
a