单项选择题
Said cargo spaces having been cleaned in accordance with the Regulations and the recommendations of the (US) National Cargo Bureau，Inc. This wording is likely to appear in （）.
A.CERTIFICATE OF CLEANLINESS B.FUMIGATION AND GAS FREE CERTIFICATE C.CERTIFICATE OF CLASS D.INTERNATIONAL OIL POLLUTION PREVENTION CERTIFICATE
单项选择题 Please collect all the shore-passes and hand them back （） me．
单项选择题 Permission is requested to pump out about 200 tons of clean sea ballast water for （） purposes．
单项选择题 Permission is kindly （） about 1000 tons of clean sea water ballast，as and when required for trimming purposes．
