Probably D. It is a pretty vague fact that you can give lots of information on, you dont wont to give all your information in the thesis, but you want it to catch your readers attention.
Marta is the subject of the sentence because she is performing the verb "Planned"
Answer:
travel in or through (an unfamiliar country or area) in order to learn about or familiarize oneself with it.
Explanation:
Are there chocies if not heres an answer <span> a static character.</span>
