Nodding your head should be added to which statement/question?

a). who is your brother?
b). recently, i took an american sign language course.
c). yes, i agree.
d). no, i don't think so.

Can you explain how not having closed caption on the tv affected the man in the first video, when he was a child? it did not affect him it caused him to be behind and disconnected. it caused him to be ashamed of his deafness it him to understand hearing people better.