What do some critics see as a notable difference between the audio and text of churchill’s speech? a. churchill varies his speaking rate and volume to create emphasis in the audio version, but the sentence in the text version are lengthy and lack variety. b. the tone in the text seems sad and defeatist, but in the audio version, churchill speaks with determination c. churchill uses sarcasm in the audio version, but sarcasm cannot be identified in the text version d. the tone in the text seems inspirational, but in the audio version, churchill sounds unemotional