<span>D. instructive
This passage does a good job describing the way that credit cards work and mentioning the fact that many people don't actually know this. It's a good resource for someone thinking about getting a credit card if they're not completely prepared for the challenges it presents. </span>
D his pride in being a gentleman
B. But only so an hour
the word only indicates that "an hour" is considered a short time period for the flower, and so it represents "the youth" of it being a flower before it becomes like the rest
I would think it's "rejection of enlightenment ideas"