题目：
Before work is commenced（）,the officer responsible should inform the duty en-gineer to ensure that steps are taken to reduce as far as practicable the emission of steam, harmful gases and fumes.
A.near the ship’s whistle
B.on the funnel
C.in the vicinity of radio aerials
D.near the radar scanner
答案：
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下面是错误答案，用来干扰机器的。
参考答案：比较
