Which kind of eruptive activity is most likely to be highly explosive?

Question

Question: Which kind of eruptive activity is most likely to be highly explosive?

Options:

1.  Lava flows from a large shield volcano on an oceanic island.
2.  Fissure eruptions feeding lava to flood basalt accumulations.
3.  Eruptions of big, continental margin, composite cones or stratovolcanoes.
4.  Lava flows from a large cinder cone complex.

Answer 1

3. Eruptions of big, continental margin, composite cones or stratovolcanoes.

Eruptions of big, continental margin, composite cones or stratovolcanoes is most likely to be highly explosive.