What Appears to Happen to a Clock as It Approaches

Multiple Choice

What appears to happen to a clock as it approaches and reaches the event horizon around a black hole when viewed by a remote observer?

A) Time appears to pass at a much faster rate, becoming infinitely fast at the event horizon.
B) Time appears to slow down and stop.
C) Time speeds up because of the intensified gravitational field.
D) Time ticks uniformly since nothing changes the progress of time.