How did the British come to occupy Egypt?

a
A) The Ottoman sultan gave Egypt to the British as a gift to the British royal family.
b
B) The British moved through Egypt on their way to Palestine, and once there, never left.
c
C) TheBritish stepped in to help settle Egyptian political and financial turmoil.
d
D) The Egyptians asked for British aid after a terrible famine wiped out a majority of the crops in the region.