Question

Using pairs of opposites, such as Helena and Hermia, is called

Answer 1

A. doubling

In literature, doubling creates contrast by juxtaposing two opposite character, similar to the idea of "two sides of the same coin". Therefore choice A is the correct answer. Two characters on their own do not necessarily show realism or irony and it is the plot and dialogue that would display foreshadowing. So choice B, C and D are incorrect.