Century is to years as dollar is to

Century is to years as dollar is to:

Explanation:

In the first part of the statement, an equivalence of 100 years (one century) with respect to one year is expressed, so the most logical equivalence when a dollar is mentioned is to locate a currency whose value of the dollar is 100 times higher, for which the correct answer is the penny, whose equivalence is:

If you want to rewrite the sentence properly it is: The had been upset, yet she now smiled and told us about her day.