Answer:
B is your answer :)
Explanation:
Both parts of that sentence could stand alone as there own sentence.
I think it is the second option: Okonkwo was ashamed of his farther. I remember how okonkwo wanted to be the opposite of his farther and not to be lazy.
Inexorable: impossible to stop or prevent
the moisture levels in the greenhouse of the garden center are most likely inexorable.