Options are:
1). Lighten;
2). Darken;
3). Energize;
4). widen;
5). Bend;
6). adapt;
7). expand;
8). harm;
Q: You are presented with the quiz "What do prisms do to light?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "aprism is used for refracting light" and "refraction Refraction is the bending of light rays". So, what's the best answer to the question?
A:
5).