11. 翻譯：能見度已減低至 5 浬。
(A) Visibility was increased to 5 nautical miles.
(B) Visibility was decreased to 5 nautical miles.
(C) Visibility was extended to 5 nautical miles.
(D) Visibility was expected to 5 nautical miles.

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統計： A(2), B(29), C(2), D(4), E(0) #1229132