The correct answer is letter b: simile. This literacy device compares two different things using the words "like" or "as". In this play the author is using a simile in the the statement "His beard was as white as snow".
A simile is a figure of speech that makes a comparison, showing similarities between two different things. Drawing a resemblance with the words "like" or "as". Therefore, making it a direct comparison. In this case, they are using the word "as" to compare how the beard was white like the snow.
