In Quantum Theory, a "Wave Packet

In quantum theory, a "wave packet"

A) represents one particle having a specific position but a range of possible velocities.
B) represents one particle having a range of possible positions but a specific velocity.
C) represents many particles, each one having a range of possible positions and a range of possible velocities.
D) represents one particle having a range of possible positions and a range of possible velocities.
E) represents many particles, each one having both a specific position and a specific velocity.