Read the following context and choose the best option to answer the question.
Context: But even a man of his stature was not spared criticism and attack from the junta . In 1988 he was imprisoned for leading the 88 uprising . After his release , he concentrated on astrology .
Question: What is the reason of this post ?
Options: 
A. To teach literature
B. None of the above choices .
C. To give history
D. To give economics


C