The author’s use of the words "precipitous" and "embittered" conveys a foreboding tone.
"Precipitous" suggests steepness or danger, indicating that the woodland has a threatening or difficult landscape. "Embittered" implies resentment and hostility, highlighting the ongoing conflict and negative emotions between the families. Together, these words create a sense of tension and unease surrounding the relationships and history of the forest lands. Thus, the correct response is a foreboding tone.