【正确答案】 B

【答案解析】[试题分析] 这是一道文章细节分析题。
[详细解答] 由文章第三段“But in the late Middle Ages，in the period of the Renaissance，the great expansion of commerce and banking led to a revival in literacy for the same reason that had caused it to increase in the ancient world usefulness．”可知，答案B是正确的。