The answer is D: the community's raffling of names will cause little interruption in its daily life.
Since the lottery took around two hours, this event <em>held during working </em>hours <em>interfere in the routine of the villagers and their work</em>. Mr Summers, not wanting to waste his time, suggests that the activity starts soon and is finished without delay, <em>which will make it possible for them go back to work, and not only go home for lunch.</em>