Detailed Instructions: In this task, you will be presented with a question having multiple possible answers in Swahili language. And you should choose a most suitable option out of "A", "B", "C", "D", and "E" based on your commonsense knowledge.
Problem:Question: Nambari ni jibu la kawaida kwa nini? 
 Options: A kitabu cha simu B takwimu C orodha ya kichina ya kuchukua D tatizo la hesabu E gurudumu la mazungumzo 
Solution:
D