Which best describes the 1942 Allied strategy in North Africa?

Which best describes the 1942 Allied strategy in North Africa?

a. The Allies advanced on Axis troops in Libya from both east and west, trapping them in the middle.
b. The Allies pushed Rommel’s troops out of Egypt and trapped them against more Allied forces in the west.
c. The Allies first fought Rommel in Morocco and Algeria, then moved eastward into Egypt.
d. The Allies landed along the coast and pushed inland, forcing Rommel’s troops into the Sahara.