How does scouts innocence stop mr. cunningham from becoming violent at the jail in to kill a mockingbird

Which phrase most closely matches the meaning of the word pleasantries in this excerpt from susan glaspell's trifles? county attorney: (as one turning from serious things to little pleasantries) well ladies, have you decided whether she was going to quilt it or knot it? a. tea cakes b. trivial talk c. foolish actions d. childish behavior