Which of the following muscles may be affected by this injury?

An overworked surgical resident is resecting an acinic cell carcinoma from the inferior aspect of the parotid gland when he makes a careless incision and nicks a branch of the facial (seventh cranial) nerve. Which of the following muscles may be affected by this injury?
(A) omohyoid
(B) sternohyoid
© sternothyroid
(D) stylohyoid
(E) thyrohyoid