Answer:
The excerpt from the selection that best helps you to visualize Mrs. Pratchett is - "...Mrs. Pratchett's skinny goat's legs trotting to keep up with him. So, the Option D is the accurate answer.
Step-by-step explanation:
In Roald Dahl’s “Boy: Tales of Childhood,” is a medium through which he recalls his school days and the pranks he played during his young age. Mrs. Pratchett is a character found in his autobiography and was the owner of a sweet shop. She was described as a mean, small, dirty, skinny lady with a moustache. Her apron was greasy and grey in appearance. Her blouse had marks of breakfast on it. Her hands were dirty and full of grime. Plus, she had goat-like legs. All these adjectives give the reader an idea about how Mrs. Pratchett actually looked.