【单选题】No matter how much you flatten the hierarchies at your company, communication can't improve if people's desks are stuck ten floors away from the folks they ought to be chatting with regularly. To fix ...
A.
They may improve communication between different departments.
B.
They may create more spontaneous face-to-face contacts.
C.
People working in them may get more interesting.
D.
They are most appropriate for financial departments.