If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.

A.go in one direction until the fuel runs out

B.plot a course for the nearest land

C.take a vote on which direction you should go

D.shut down the engine(s) and set the sea anchor

“掀腿压颈”属于擒敌技术摔擒中的哪一类（）。

A.解脱擒拿

B.夺凶器擒拿

C.挟抱擒拿

D.主动擒拿