A 33-Year-Old Woman Was Riding Her Bicycle When She Swerved

A 33-year-old woman was riding her bicycle when she swerved to avoid a pothole and lost her balance. She then crashed and hit her head hard on the sidewalk. When she regained consciousness in the hospital, it was immediately noted that she had medial strabismus (squint) of her left eye.
-Which eye muscle was paralyzed in this injury?

A) The medial rectus muscle
B) The inferior rectus muscle
C) The superior rectus muscle
D) The lateral rectus muscle
E) The superior obliques muscle