（单选题）
我经常在艏楼做一些修理工作。（）
AI usually keep watch on the bridge.
BI often do some repair work on the forecastle.
CI often paint on deck.
DI often do some repair work on the bridge.
正确答案
答案解析
略
AI usually keep watch on the bridge.
BI often do some repair work on the forecastle.
CI often paint on deck.
DI often do some repair work on the bridge.
