阅读下面短文，从短文后各题所给的四个选项A、B、C和D中，选出空白处的最佳选项，并在答题卡上将该项涂黑。
Tips to keep a hearty conversation flowing
On holidays we typically gather with our nearest and dearest. But 36 can be made, maintained and broken through the ways we talk to our loved _37___, according to Deborah Tannen, a George-town University professor in linguistics（语言学）. She has suggestions as to how we can 38 communications at our festival dinner tables. Let’s take a look.
＊A round dinning table is best for promoting a 39 conversation because
everyone 40 each other.
