Ananya, a 10-year-old girl, presents with a 3-week history of persistent diarrhea, abdominal cramps, and weight loss. Her mother describes the stools as greasy and foul-smelling. Ananya recently attended a summer camp where she drank untreated water from a nearby stream. On physical examination, Ananya appears mildly dehydrated and underweight. Laboratory stool analysis reveals Giardia trophozoites. Which of the following best describes the histological features of the small intestine in Giardiasis-induced malabsorption?
