Please help

What will most likely occur during a volcanic eruption if the magma that forms the volcano has a high viscosity?

A) The Magma will be ejected slowly, for,ing a volcano with gentle slopes

B) The magma will erupt violently, forming a steep-sided volcano

C) The magma will erupt violently, forming a volcano with gentle slopes

D) The magma will be ejected slowly, forming a steep-sided volcano.