A) one-half
You need the hyphen in between the one and half
I would probably say that the author used diction to achieve some kind of effect in the first sentence.
A. The teacher stood at the door smiling brightly and welcoming each student to her classroom on the first day of school.
The author's diction, or word choice, in this sentence portrays the teacher as a nice, kind, caring person.
Answer: It introduces a new character who befinds the speaker and helps him search for Lenore according to the plot and outcomes of the story
Explanation:
Two devices would be imagery and sound