17.翻譯：能見度預期在5浬至10浬之間變化。 (A) Visibility is expected variable between 5 and 10 nautical miles. (B)Visibility is expected stable between 5 and 10 nautical miles. (C)Visibility is expected decreasing between 5 and 10 nautical miles. (D)Visibility is expected increasing between 5 and 10 nautical miles.