Which of the Following Is NOT True Regarding Semaphore Implementation

Multiple Choice

Which of the following is NOT true regarding semaphore implementation?

A) It suffers from the busy waiting problem
B) Semaphore has a waiting queue associated with the semaphore
C) When a process executes the wait() operation and finds that the semaphore value is not positive, it will suspend itself
D) A process that is suspended, waiting on the semaphore, should be restarted when some other process executes a signal() operation.