A thesis statement is generally the first few sentences of your writing to help get your readers interested in what they'll be reading. So, if your thesis is unclear, they'll be confused about what's going on before anything even happens.
I think it’s D, because “foreign exchange risk” does not say anything about the MNC, and a fixed exchange rate doesn’t cause that much of a problem. I might be terribly wrong.
Answer:
travel in or through (an unfamiliar country or area) in order to learn about or familiarize oneself with it.
Explanation: