There is no picture but my the description you gave i think it would be fine as long its not loose
It would be B that is what it is
Answer: convergent plate boundary
Explanation: when a plate capped by oceanic crust is subducted under a continental lithosphere an accretionary wedge and fore-arc basin forms an active continental margin between the trench and the continent .the magma that is created by ocean-continent convergence forms a magmatic arc the surface expression of a magmatic arc is either a line of andesitic island such as Aleutian island .
