Llamas May Have Been a Poor Source of Harmful Pathogens

Multiple Choice

Llamas may have been a poor source of harmful pathogens for native South Americans in part because people:

A) shared close quarters with llamas.
B) drank llama milk.
C) kept very large llama herds.
D) kept their distance from the llamas, relatively speaking.
E) did not keep llamas; they kept cows.