Dramatic irony occurs when
a.
the audience and characters are taken by surprise
b.
the audience knows something that the characters do not
c.
the characters know something that the audience does not
d.
one event causes another event to occur

Dramatic irony occurs when 'the audience knows something that other characters do not'. Option B is correct.

In in terms of drama, irony refers to a situation, a fact, or a truth which is understood or known by the audience but not grasped by the other characters involved in the play. Moreover, irony is a difference between appearance and reality. A situation that ends up in a different way than what is generally anticipated.

which lines in this excerpt from act i of shakespeare's romeo and juliet suggest that lord capulet respects free will?

the light represents granny weatherall's life.