Accessory meningeal artery enters cranial cavity through:: (A) Foramen lacerum, (B) Foramen rotundum, (C) Foramen spinosum, (D) Foramen ovale
Answer is D. Accessory meningeal artery is a branch of 1st part of Maxillary artery. 
It enters the cranium by passing through foramen ovale.
It supplies meninges and infratemporal fossa.