This image conveys my thoughts that St Paul's interest is in orderly worship. I think that this is what he is wanting to foster within the church. I do not think this means that our worship should be 'contained'. Exuberance in worship is often lacking in our churches. I think that Paul was referring to the chattering that was going on regarding the teaching. Those new to the faith or lacking education were asking lots of questions, hungry as they were, I assume, to know Jesus' teachings. I think Paul is recommending that questions should be explored later so that distractions do not interrupt people in their worship and prayerful communications with God. This would stand for all time. I suppose in the context of a service today, it would be considered inappropriate to converse with one's neighbour all the way through someone's sermon. Questions are invited in good churches and there are lots of opportunities to ask questions and explore but as with many occasions, we instinctively know, and if we do not, we can bring biblical teachings to guide us into acting towards one another in love and with respect.