【单选题】 When the weather becomes bad, the hatch covers will be 【】.(技能鉴定,其他技能,船舶水手证查题)

来源: 技能鉴定    其他技能    船舶水手证   

【单选题】 When the weather becomes bad, the hatch covers will be 【】.

Aclosed

Bopened

Chandled

Dstopped

答案解析