Answer:
The use of a word referring to or replacing a word used earlier in a sentence, to avoid repetition, such as do in I like it and so do they.
Explanation:
you
it should be "yourself"
Never stop challenging yourself to do better.
It would be A.
They ARE currently going around the neighborhood, so that's why I would say A.
Answer:
He questions the tradition of wall-mending.
Explanation: