Ok ok yall free points to my new friend he knows who he is and he knows what he is doing lol he cool and chill ash so just follow him

What is the purpose of accentuating a musical note in an unexpected place in a piece of music? a. to stress on certain words to impart a sense of importance b. to complement or support the musical composition c. conveys happiness, enthusiasm and excitement d. adds an element of surprise and enhances rhythmic pleasure for the listener