The r sound in "liquor, power, generate, therein, sire and flower" and bud/sun/run is an example of consonance.
Option C and D
Explanation:
Consonance is known as repetitive sounds by constants. In the above answer both the option are consonance since they have repetitive sounds in closely connected words. Sometimes it may be middle of a word but mostly it occurs at the end of the word.
It is mostly used in a sentence or phrase. It is also known as a Literary Device Consonance can be identified by identical constant sounds of the words in the sentence or phrase. The 'r' sound in first statement and 'u' sound in second is the best example among given option for consonance.