听力原文: In the Philippines. A ferry carrying at least 400 people has sunk after apparent collision with a cargo ship. There was no immediate report of casualties. The accident occurred at about 11: 30 a.m. local time at the mouth of Manila Bay shortly after the ferry left the Manila's port. A Philippine coast guards'spokesman said the ferry has been hit by a 12,000-ton-Singapore-reg-istered cargo vessel. But the details are not immediately available. The news item reported a(n) ______. A.ferry accident B.air crash C.traffic accident D.lorry crash