Answer: B) If these dreadful policies are not changed, doom and despair are all that the future holds.
Step-by-step explanation: The tone of a text or sentence is the author's or speaker's attitude towards the audience, the subject or even the characters of the text. There are many different kinds of tones, like: positive, negative, objective, sad, angry, etc. From the given options, the sentence that demonstrates a dreary tone, is the corresponding to option B, because of the use of the words "dreadful," "domm," and "despair."