Similes are methods of comparison,
A simile is the use of language to compare something with another thing of a different sort, to illustrate such thing conveying powerful feelings or more lively.
Albeit (B) equates her hair to a chestnut look; the most suitable sentence including a simile is definitely "(D)" since it highlights certain trait vigorously, causing a vivid image in the mind, with the "rose petal" likeness.
