If the bold sentence is in fact As he tells the story he never smiles, and he never frowns",then it is most likely the human foible due to it being an interesting characteristic. We can also determine this answer through process of elimination if we know the meaning of hyperbole, and "funny name".
Hyperbole is an exaggeration and is not normally meant to be serious, and in the case of your summary, I believe this line is meant to be taken serious. This doesn't seem to be a funny name reference, so your only option is human foible.
The correct answers are (B) <em>The British Empire and the French Republic, linked together in their cause and their need, will defend to the death their native soils, aiding each other like good comrades to the utmost of their strength, even though a large tract of Europe and many old and famous States have fallen or may fall into the grip of the Gestapo and all the odious apparatus of Nazi rule.</em> and (C) <em>We shall not flag nor fail. We shall go on to the end. We shall fight in France and on the seas and oceans; we shall fight with growing confidence and growing strength in the air</em>. In both of these extracts, Churchill explains how the combined power resulting from the collaboration with their allies like France could channel the ultimate victory over the threat to freedom that the Gestapo and the Nazis represented.
