The correct answer is C) The French high command is partly to blame for all the fall of France."
The statement that is the most reasonable inference about one of the underlying meaning of this excerpt is "The French high command is partly to blame for all the fall of France."
British Prime Minister Winston Churchill was a definitive figure for the Allied leadership during World War II. He delivered the speech "The Finest Hour" on June 18, 1940, in the British Parliament, 30 days after he became the leader of England. After France had fallen to German troop's hands, Churchill and the imminent threat of invasion by the Nazis to the island of Britain, Churchill decided to deliver this speech to uplift the morale of the British.