Assume that process A has 3 user level threads and process B has 4 kernel-level threads. Consider while process A is running in CPU, process B is waiting in ready queue. If one of the thread in A is blocked then find status of A threads and B threads?
A. All A threads are blocked and all B threads are blocked.
B. All A threads are blocked and B threads are not blocked.
C. All B threads are blocked and A threads are not blocked.
D. None.