Which of the Following Statements Best Describes the Technique Error(s)

Which of the following statements best describes the technique error(s) that results in premature contact with bone immediately after penetration for an IA nerve block?

A) Penetration too high and too lateral to pterygomandibular raphe
B) Penetration too low and too lateral to pterygomandibular raphe
C) Penetration too medial to the internal oblique ridge in relationship to the pterygomandibular raphe
D) Angle of the syringe was anterior to the premolars