Answer:
1
Explanation:
Although nr. 2 and 3 are considered to be good reasons too, the first reason is the only one that really matters, due to the importance of improving work and study opportunities in a society where only high qualified - and fluent in English - persons count. 4 is interesting from a social point of view but won´t help the individual much in his/her future career.
I would say that the answer is probably 3. Hope this helped!
-TTL
What? This doesn't make sense..
Typically unnamed characters are representative of universal characters. They symbolize anyone who might find himself in such a difficult situation.