Which Statement Is True About Scenario A

Which statement is true about Scenario A?

A) There is a moderate interaction effect.
B) Older buyers spend more in general, and the longer people shop, regardless of age, the more money they spend.
C) Old buyers who shop a long time buy more than young buyers who shop a long time, but old buyers who shop a short time buy less than young buyers who shop a short time.
D) The general trend is for buyers to buy more and shop for less time.