What sound devices contribute to the poet's theme in lines like these?

In Xanadu did Kubla Khan / A stately pleasure dome decree
A. Blurring words create a vague, abstract feeling.

B. Linking words create a flowing, dreamlike effect.

C. Sharpening words create a precise, analytical tone. ----wrong

D. Separating words create a rigid, marchlike rhythm.

Question

What sound devices contribute to the poet's theme in lines like these? 

In Xanadu did Kubla Khan / A stately pleasure dome decree 
 A. Blurring words create a vague, abstract feeling.  
 
 B. Linking words create a flowing, dreamlike effect.  
 
 C. Sharpening words create a precise, analytical tone.  ----wrong
 
 D. Separating words create a rigid, marchlike rhythm.

e.mccormick · Answer

a) Does it feel abstract or more to the point and precise?
b) Does it seem to flow or be dreamy?  Usually this would mean a pleasant path like being lead in a song of love or wonder.
d) Does it stomp forward on rhythm's beat with intent, drive, and goal?