Answer:
I think Air and Sunlight is right answer
Huck faked his death in order to escape his abusive father as well as to escape the whole society of St Petersburg which he finds oppressive.
The best paraphrase for the last paragraph of this section is C, because, according to this paragraph, doughnuts are now available in many different types and healthier options such as whole wheat doughnuts and companies have also started to try to reduce the fat in their doughnuts.
Options A and D are true but they don´t paraphrase the meaning of the last paragraph. Option B is incorrect because this information isn´t mentioned in the text.