[签证经历] B2 沈阳 07/08/2009 通过

My parents got denied in 2004. This time only my father applied B2. I wrote a letter to VO. VO asked my passport and employment letter. qestions include:
1) why didn't your wife go with you
2) how long had your daughter been US
3) when was the last time your daughter come back
4) Do you have other child?
5) When did you retire? What are you doing right now?
6) why do you go to US now?