A 12-Year-Old Boy Loses His Baseball Helmet When He Rounds

A 12-year-old boy loses his baseball helmet when he rounds second base. As he nears third base the pitcher throws the baseball, which hits the left side of the boy's head. Computed tomography reveals a fracture at the location of the pterion. Which of the following structures make up the pterion?

A) Temporal, parietal, frontal, and ethmoid bones
B) Parietal, frontal, and sphenoid bones
C) Frontal, parietal, temporal, sphenoid, and ethmoid bones
D) Sphenoid, parietal, temporal, and frontal bones
E) Ethmoid, parietal, temporal, and frontal bones