问题
单项选择题
There is a vessel in position 120.0E 24.5N on course 120 degrees and speed 12.5 knots（）is not complying with traffic regulations.
A.this
B.who
C.which
D.it
答案
参考答案：C
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There is a vessel in position 120.0E 24.5N on course 120 degrees and speed 12.5 knots（）is not complying with traffic regulations.
A.this
B.who
C.which
D.it
参考答案：C