Which of the following is an example of positive diction
a. nonfiction
b. clean
c. scarce
d. expensive

Positive diction has a lot to do with connotation. The connotation is a big part within diction and it can be positive, neutral or negative. The writer uses connotation to display certain emotional meaning to the text; and uses certain types of words and expressions to create more of a positive, neutral or negative reaction to the text depending on his purposes.

I'll give you an example:

If I, as a writer, intended to talk about Duke, my Weimaraner, in a book, I could talk about his behavior in 3 different connotations and for this I would use different words:

As you can see in this case I chose words, more specifically adjectives, because I wanted to give a certain tone and create a certain impression of Duke, on the reader. The first sentence is a perfect example of positive diction.

By the way, Duke is just adorable, I can't think about anything but his lovable long ears. (Yes, I did it again! positive diction).

the answer is a.

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hope this !

the best asnwer is b "les encantan los juguetes nuevos" because you are talking about them