报一个OPT的timeline

10/5/17 case received
90天 状态无改变
91天 申请了inquiry
10/4/17 new card is being produced
10/8/17 状态无改变
并且收到USCIS的回应：we recently approved your Form I-765

请问一下各位是不是说我的OPT被approve了？
如果即使我没有收到卡可否去工作？（本来start date应该是8号）