In Which of the Following Locations Would a Dune Be

Multiple Choice

In which of the following locations would a dune be most likely to form?

A) Where a barren flat area provides a stable surface for sand accumulation.
B) Where a wind shadow has developed due to a change in wind direction.
C) Where a bush interrupts the flow of saltating sand.
D) Where a blowout alters the flow of the wind.