After receiving a punch to the left eye, a 16-year-old boy complains of double vision. During clinical testing,he has difficulty when asked to look medially inferolaterally superolaterally and superomedially. The affected muscles are derived from which of the following structures?
(A) Branchial arches
(B) Optic cup ectoderm
(C) Somites
(D) Somitomeres
(E) Splanchnic mesoderm
Answer: D: Somitomeres