Step 1: Understanding the camera angles.
In over-the-shoulder shots, the camera angle is key to the positioning of the subjects. For subject A to appear on the right side of the frame and subject B on the left side, the camera angles must be chosen accordingly.
Step 2: Identifying the correct angles.
- Option (C) correctly selects the angles that position subject A to the right and subject B to the left side of the frame.
\[
\boxed{(C) \, \text{1 and 3}}
\]