The first one, "was revealed" makes it passive,
Answer:
no?
Explanation:
because you cant see your roots?
I think that it is B: Joyful, because there is no distress, such as, "Hurry, the queen has been killed!" or an angry description. The tone is very calm but the best answer would be joyful, as singing is usually joyful.
They better support the development of his theme.
