foo and bar are public references available to many other threads. foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait（）. From another thread， which statement is the most reliable way to ensue that foo will stop executing wait（）？
- A foo.notify（）；
- B bar.notify（）；
- C foo.notifyAll（）；
- D Thread.notify（）；
- E bar.notiFYAll（）；
- F Object.notify（）；