Which sentence uses an article that points out a particular noun?
a. My music teacher has a grand piano.
b. That is my favorite color.
c. My grandparents flew on an airplane.
d. Do you want the leftover spaghetti for dinner?
The article that points out a particular noun has to be the definite article 'the'. So you are looking for a sentence where there is 'the', and the correct answer is D, 'THE leftover spaghetti', it is a particular noun.
