单选题Overlord is a code name for()AAmerican lend-lease assistance to the Soviet UnionBthe summit conference at TeheranCthe allied landing at Normandy,France in 1944Dthe North African campaign

单选题
Overlord is a code name for()
A

American lend-lease assistance to the Soviet Union

B

the summit conference at Teheran

C

the allied landing at Normandy,France in 1944

D

the North African campaign


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