As a result of interaction of two dislocations of similar signs:

A$)$ The burger vector will be doubled

B$)$ A new dislocation will form with a longer dislocation line.

C$)$ The two dislocations will combine and they will form a complete plan of atoms

D$)$ None of the mentioned choices

E$)$ A mixed dislocation will form, and the new dislocation will have two component edge and screw.