The Turning Point of the North African Campaign Came

The turning point of the North African campaign came

A) at El Alamein where the British stopped Rommel in the summer of 1942.
B) when South African troops crossed the Sahara and overwhelmed Rommel.
C) with the revolt of the Vichy French in North Africa.
D) when the Italians joined the Allied cause in 1942.
E) when Cairo and the Suez Canal were recaptured by the British and the Americans.