•confident and independent, •friendly and outgoing, •generous, •honest, •keen on the same hobbies as me sensible.
The ideal exchange student is open minded. As this is a new country with a new language an exchange student should not be ignorant. Being willing to explore the culture and the common interests of the country's people is a must or else they will be miserable. They should not take their disadvantage of being new as an excuse to be unproductive or rely on others but rather they should be independent. Always accepting the help of others and being able to hold back temper when in a state of anger is a good characteristic to look for in choosing exchange students.
I'd say the correct answer is B, because 'in the desert is part of the subject/noun 'canyon', and modifies it, that is, refers to it, describes it in more detail.
