Final answer:
The line that contains onomatopoeia is 'her heels clacked on the floor', as 'clacked' imitates the sound of heels on a surface. Therefore , the correct answer options is c)
Step-by-step explanation:
The question asks us to identify which of the given lines contains onomatopoeia. Onomatopoeia refers to words that sound like the object they are meant to describe.
An example of onomatopoeia is the word "clack", which imitates the sound of heels striking a hard surface. Of the options provided, "her heels clacked on the floor" contains onomatopoeia, as "clacked" is a word that phonetically resembles the sound it describes.