Possibly A. line... I hope I helped you!
<span>(a) stability of elements on either side of an imaginary vertical line
(b) recognizable arrangement of elements based of their proportions
(c) systematic arrangement of elements based on their size.</span><span />
I think it means when you aren't very social.
1. All the people employed by a particular organization.
"a staff of 600"
2. a group of officers assisting an officer in command of an army formation or administration headquarters.
"the Polish General and his staff"
