What technique is used when the author says great care was was taken to tell mrs.mallard?

The technique used in this statement is foreshadowing. By indicating that "great care" was taken to inform Mrs. Mallard, the author hints at the delicate nature of the news being delivered and the potential emotional impact it may have on her. This sets the stage for the subsequent events and deepens the reader's anticipation of Mrs. Mallard's reaction. Through this technique, the author emphasizes the significance of the moment and its implications for Mrs. Mallard's character and story.