Overlord is a code name for _________.

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
【正确答案】：B
【题目解析】：根据课本P213可知，overlord是德黑兰峰会的代号。