Question

According to "A Thousand Years of Guessing," one monk who wrote a book of riddles noted that he wrote outside during the day and that he "froze" while writing. Based on this fact, what can be inferred?









A.
He never moved as he wrote down the riddles.







B.
He did not know the answers to many of the riddles.







C.
Writing the riddles down was important to him.







D.
Riddles make people feel cold.