Mount St.Helens

Mount St.Helens

A) had a catastrophic eruption in 1980,but is now erupting in dome eruptions at a regular intervals,building up a new mountain.
B) completely destroyed itself during the last eruption in 1980 and has not erupted since.
C) is now erupting continuously with low viscosity lava from the asthenosphere.
D) was the site of great scientific discovery in 1980,but gives little information to volcanology now.
E) is a shield volcano.