I believe the answer is A, because Gandalf was angry that Butterbur was delaying in bringing him news
Seclude means to keep a somebody away from other human beings.
While, segregate means to separate. For example, in US History, African Americans were segregated from white Americans.
So seclude is used for one person, while segregate is used for groups of people or things.
5 times but it’s concerning you don’t know how to do this. I’m not trying to judge but I’ll try to explain. First trip 9-2=7. Second Trip 7-2=5. Third trip 5-2= 3. Fourth trip 3-2. Fifth trip 1-1= 0.