The survey shows that China's book reading rate has declined for 6 consecutive years, and the national book reading rate in 2005 was below 50% for the first time. At the same time, the learning enthusiasm of the Chinese public continued to rise. Which of the following, if true, can explain the contradiction:. ['"No time to read" is the main reason for the decline in book reading rates.', 'China ’s national online reading rate increased from 3.7% in 1999 to 27.8% in 2005.', 'In recent years, there have been problems such as high book prices, tedious content, and excessive hype in book publishing in China.', 'You can learn a lot by listening to lectures.']