
Passage: The crash of an Asiana Airlines Boeing 777 at San Francisco Airport, killing three Chinese girls, has raised public concerns about aviation safety. Statistics show that from the 1950s to the present, the accident rate of civil flights has been declining. The number of deaths per 100 million passenger kilometers was 2.78 in 1945, 0.90 in the 1950s, and 0.013 in the past 30 years. However, the absolute number of civil aviation accidents has increased in recent decades.
Question: If the following statements are true, which of the following best explains the above seemingly contradictory phenomenon?
A. A.Information technology is changing with each passing day, and now if there is a civil aviation accident somewhere, the news will quickly spread all over the world.
B. B.In terms of civil aviation safety, the European Union has the lowest accident rate, and Africa has the highest accident rate.
C. C.Civil aviation traffic has grown rapidly in recent decades.
D. D.In recent decades, the earth's climate has changed abnormally, and severe weather such as fog has increased.
Answer: