Read the sentence and answer the question that follows.

The cloudy moonless sky hampered the lost hikers lumbering down the steep treacherous trail.

Which is the correct placement of commas in this sentence?

A. The cloudy, moonless sky hampered the lost hikers lumbering down the steep treacherous trail.

B. The cloudy, moonless sky hampered the lost hikers lumbering down the steep, treacherous trail.

C. The cloudy moonless sky hampered the lost hikers lumbering down the steep, treacherous trail.