Which of the following sentences works best as a topic sentence for the division paragraph below (which is complete except for its missing topic
sentence)?
Once
you enter, you're in
the lobby. Walk through the lobby to get to the war room,
where we do all of our planning. Beyond the war room is
the inner sanctum, and there are only rumors about what
goes on there. The three parts are what keep our
headquarters running.
A. I think it's better to have a building with four parts, but alhes has
only three
B. Our new headquarters has three parts.
C. The three parts are what keep our headquarters running.
D. Other buildings have more, but that's all we need.