A. Bernard Bourdillon
B. Graeme Thompson
C. Hugh Clifford
D. Frederick Lugard.
Correct Answer: Option A
A. Bernard Bourdillon
Explanation
The splitting of the southern Province into East and West was done on April 1st, 1939 during the tenure of Boudillon was Governor (1935-43); Thompson was governor from 1925-31, Clifford from 1919-1925 and Lugard 1914-19.