Answer:
Correct answer is C. Renaissance period.
Step-by-step explanation:
Options A and B are not correct because term Dark Ages is sometimes used to describe the Middle Ages, and that was a period when knowledge was not in the focus of attention. Illiteracy was dominating the life of people.
C is correct because during the Renaissance the revival of knowledge was in the focus of attention and that is why this translation were very important.
D is not correct as industrial revolution was started due to certain technological improvements.