What is tone in literature? the audience's reaction the author's attitude the character's mood the reader's feelings

Messalla frowns at the wide circular cover, for a moment returning to his own fussy world.

Write a line imitating the meter of the example (anapestic tetrameter.) and the beard/ on his chin/ was as white/ as the snow

How does frost use ambiguity to present his message about walls and neighbours what evidence supports the idea that the speaker believes good fences make good neighbors what details suggest the opposite