A is correct.
Explanation: Because it's means it is
Its means something like theirs, itself, e.x - the dog likes to curl up in its bed.
It should say b because its a simple sentences meaning subject is the goat and preticite milked so its who and what
Answer:
Positive: The uncle is going to be seen as helpful for willing to take care of the baby.
Negative: He is going to be seen as "standoffish" or "rude" because he is not willing to take off more than a week to take care of his newborn niece.
Hope this helps and makes you understand better!! If you have any more questions I would be happy to help!! :)