Which word best describes the tone of this stanza from thomas hardy's "the going? "

why did you give no hint that night
that quickly after the morrow's dawn,
and calmly, as if indifferent quite,
you would close your term here, up and be gone
where i could not follow
with wing of swallow
to gain one glimpse of you ever anon!
select one:
a. romantic
b. dejected
c. scared
d. relaxed