A. least
my younger sister may be the LEAST patient person in our family.
The stranger's interaction with Elisa at her garden is different from Henry's interaction with her at her garden. The stranger's interaction with Elisa was a bit awkward since they were not introduced formally and Elisa was a bit professional as she entertains the stranger. On the other hand, Elisa was comfortable with Henry since they have been friends for a while already.
The correct answer is phrase. A phrase is a group of words that work together to express an idea and can function as a noun, adjective, verb, or adverb.