单选题
The explosion occurred on the tanker when ______.
A、
she was struck by lightning
B、
two seamen were working
C、
she was unloading her oil
D、
the fog began to clear up
【正确答案】
B
【答案解析】
[精析] 推理题。从文中第三段第五句“Soon two figures could be seen at work on her deck.”我们知道这时两个船员出来了。后文又提到船上传来锤子和金属的声音,还有什么东西重重砸在甲板上的声音。可推知他们当时正在工作。故B对。
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