Explanation: In literature, mood is a literary element that evokes certain feelings or vibes in readers through words and descriptions. We can also say that the mood is the emotional setting of the piece or its atmosphere. From the given options, the two elements that most commonly affect the mood of a story, are the corresponding to options A and D: Imagery (the use of figurative language or detailed descriptions in order to evoke the senses of the reader and to create a mental picture) and setting (the place and time where the story takes place).
