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.
1. They may think they're a burden
2. They may be afraid things can get worse if they speak to someone
Linear B is a fascinating writing system that was used to write the Mycenaean Greek language. We don't know exactly how old it is, but it seems to have developed about 3,500 years ago. Scholars named it called Linear B because there's also an older version of it, which they call Linear A. Linguists still can't figure out how to read Linear A, and it's one of the great mysteries of classical studies.