It is a metaphor because the sentence is comparing two different things without using the word "as" or "like".
A)True.
In order to maintain relationships (both social and business relationships) a level of mutual kindness to each other is vital. Without kindness, a connection is impossible to be made. Additionally, if everyone was unkind, the world would be a much colder place than it is currently. Without kindness, compassion doesn't exist, which may result in social incompetence and increased wars and fighting.
Our school principal is respected in the community.Princi-pal is like a pal-friend.
I’d say “but”is the answer
When you witness an event you are watching it, when you are part of it, you are physically involved in some way. Hope this helps!