Fill in the blank with correct option
He ______ his studies even after leaving college and finally got a Ph.D. Degree

Options

A. i) carried
B. ii) persisted
C. iii) sought
D. iv) pursued

Explanation

carry- support and move (someone or something) from one place to another. persist- to try to do or continue doing something in a determined but often unreasonable way.
Sought- past of seek which means attempt to find (something). Pursue- to continue to do something. So option (d) is fit to the context because he continued his study.