請幫我分析一下

剛給USCIS 打了電話，被告知案子485 assigned to immigrant officer on 07/16/07,this Monday,請問多久能批呢？等得太長了。
PD:06/05
140AD 11/05
3/15/07 485 transfer from VSC to TSC
6/10/07 called USCIS.sent service reqest asked me wait for 45 days.Should respond around 7/25/07 but,
Still waiting.........

thanks for your respond.