D. "his sister, who had taken a sales job, learned shorthand and French in the evenings so that she might be able to get a better position later on"
Answer:
The wealth of the ring works on 2 levels . Works on the level of it being expensive $. And the sentimentality of it is also very important to him.
The answer is B. I have had this question before.
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.'
In order for a new word to be maintained in your vocabulary you must use it.