I would say B or A, because Bus Drivers Doesn't Make sense, Plus
"Dr" must mean he has a profession. Meaning He could be a teacher and or a Doctor. Making him have "Dr."
The Answer Would be A. They Also learned working with bronze , building ships also use the sun and stars for navigation at sea of religious practices.
Hope This Helps!!
I think is A the MacArthur strategy
The local party organization occurs before an election