The tone is the name of the literary technique by which the writings convey to the reader their emotions and point of view regarding the topic that is being treated in the text. Also, a solemn tone refers to the tone that is intended to celebrate or highlight something in particular of text displayed as something extraordinary, with a script adorned with majestic words that make the reader as if they were facing something incredible, for example "he had an unbearable smell of the outdoors, the back side of his wings was strewn with parasites and his main feathers had been mistreated by terrestrial winds". According to the above, the text has a solemn tone because the author refers to this episode as a fantastic event. So, the correct answer is D. Solemn.
