Answer:
The standard test, which has a very high specificity and sensitivity, is called Gold Standard.
What culture specificaly?
A, B, and possibly D. It can be A because her goal is possibly achievable and it's B because it's a very specific goal. It's hard to measure how good someone is at cooking and when they're ready to charge money. It isn't really realistic because she doesn't know how to cook already. Her goal is not time specific.
