47. Which statement about Trigeminal autonomic cephalgias (TAC) is wrong? (A) Oxygen inhalation is a safe and effective method for acute treatment of cluster headache (B) Midbrain and pontine activation play a pivotal role in either initiation or termination of the acute attack of migraine (C) The forehead, temporal, orbit and occiput are the most frequent sites of hemicrania continua (D) Paroxysmal hemicrania responds in a dramatic and absolute fashion to indometacin (E) Short-lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) syndrome is usually maximal in the ophthalmic distribution of trigeminal nerve