The right answer for the question that is being asked and shown above is that: "An unabridged English-language dictionary is a shortened dictionary for everyday use, and it is the dictionary that most people have in their homes and offices."
What do you need help with that's a good start so far
I think the correct answer would be option D. Expository writing never includes devices of writing such as figurative language or narrative. This type of writing is used to give information, explain and describe a certain topic so it should use simple words and is straightforward.
Intrinsic motivation is a motivation "from inside", with internal, rather than external awards.
Three of the things you mentioned have an external reward: the 500 Dollar prize( first option), the credit (third) and the hope of winning a blue ribbon (the last).
Only the second one has an intrinsic motivation: that you will be happy about performing this song (feeling proud of yourself, etc).