Better wear special clothing a helmet and a life jacket just your raft gets upside down

问题补充：

Better wear special clothing, a helmet and a life jacket, just your raft gets upside down or even sinks.

A. in case

B. so that

C. as though

D. in order that

答案：

(答案→)A. in case

B. so that

C. as though

D. in order that

解析：连词辨析。A以防；B以至于；C似乎，好像；D为了；句意：最好穿上特殊的衣服，戴好头盔和救生衣，以防你的木筏翻掉了。根据句意说明A正确。