I think the second choice is most important
Answer:
(c) hyperbole
Explanation:
Its an exaggerated statement.
If you want to incorporate 'for a year", you would need to say 'I have been in Poland for a year.'
But as 'been to' suggests just a visit and not a long stay, you may want to use "I had gone to Poland a year ago.'
B.
The orchestra performs after this dance routine.