19.某船由L 32°40.0'S，λ 121°40.0'E啟航，C270°，S16kts，航行12小時後之船位經度為何？
(A)117°51.9'E
(B)118°28.0'E
(C)124°52.0'E
(D)125°28.1'E

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統計： A(19), B(16), C(7), D(2), E(0) #1204630