A teammate must collaborate (work together with) his team in order to succeed.
His first name is Edgar Allen
Do you have a picture that you can provide?
The answer is C, abcb.
the rhyme scheme goes like this:
I hear in the chamber above me (a)
the patter of little feet (b)
the sound of a door that is opened (c)
and voices soft and sweet (b) [it rhymes with "feet"]