30. 某船於沿岸航行，電羅經故障，深夜誤闖他國軍事管制區域。突然間看到岸上發出摩爾斯「L」燈號。試問其意義為何？ (A) You should stop your vessel instantly (B) I wish to communicate with you (C) You are running into danger (D) Stop carrying out your intentions and watch for my signals