What Differentiates Real-Time Threads from Other Windows XP Threads

Multiple Choice

What differentiates real-time threads from other Windows XP threads?

A) The only difference is that all real-time threads have a higher priority than other threads.
B) The only difference is that real-time threads receive a longer quantum than other threads.
C) Real-time threads have a higher priority than other threads, and real-time threads' priorities are static, whereas other threads' priorities are dynamic.
D) Real-time threads have a higher priority and receive a longer quantum than other threads.