Choice A
The piano is the direct object
(My parents showed us what? The piano)
My brother and me are the indirect objects
(My parents showed who? Mybrother and me)
He is hired to train people to speak properly.
(The last answer)
Hope this helps :)
Is there any more context to this?
Explanation:
thvhbjnnjjknmk m hoj jgvbhh