Aconnotation is?
a. the literal meaning of a word.
b. the dictionary definition of a word.
c. the amount of rhythm in a word.
d. the emotion or idea associated with a word.

A connotation is frequently described as either positive or negative, with regard to its pleasing or displeasing emotional connection.For example, a stubborn person may be described as being either strong-willed or pig-headed; although these have the same literal meaning (stubborn), strong-willed connotes admiration for the level of someone's will (a positive connotation), while pig-headed connotes frustration in dealing with someone (a negative connotation).

Examples

The denotation is a representation of a cartoon heart. The connotation is a symbol of love and affection.

The denotation of this example is a red rose with a green stem. The connotation is that it is a symbol of passion and love – this is what the rose represents.

so the answer is  D. The emotion or idea associated with a word.

D) The emotion or idea associated with a word.

we need to see the examples!