The correct answer is: a) U Soso Tham.
U Soso Tham (1892-1973) was a renowned Khasi poet and writer. He is considered to be one of the most important figures in Khasi literature. He wrote extensively on a variety of topics, including Khasi history, culture, and religion. His work is known for its beauty, its insights into Khasi culture, and its use of traditional Khasi poetic forms.
Hamlet Bareh Ngapkynta (1914-1997) was a Khasi poet and writer. He is best known for his collection of poems, “Songs of the Khasi Hills”. His work is characterized by its use of traditional Khasi poetic forms and its focus on themes of love, nature, and the Khasi way of life.
P.A. Sangma (1932-2016) was a Khasi politician who served as the 11th Speaker of the Lok Sabha, the lower house of the Indian Parliament. He is also the first tribal leader to hold the office of the Speaker of the Lok Sabha.
D.D. Lapang (born 1946) is a Khasi politician who served as the 10th Chief Minister of Meghalaya. He is the first Khasi politician to hold the office of the Chief Minister of Meghalaya.