Which of the Following Identifies the Cause and Corrective Action

Multiple Choice

Which of the following identifies the cause and corrective action for an image with overlapping of the proximal contacts in which the overlap appears more severe in the posterior region than the anterior region?

A) Mesiodistal projection of the central ray caused the error. Shift the tube toward the anterior to correct this error.
B) Mesiodistal projection of the central ray caused the error. Shift the tube toward the posterior to correct this error.
C) Distomesial projection of the central ray caused the error. Shift the tube toward the anterior to correct this error.
D) Distomesial projection of the central ray caused the error. Shift the tube toward the posterior to correct this error.