43.      (43)「そういう関係」     とは、どんな関係ですか。 (A) 上司や部下 (B) 年配者と若輩者 (C) 男性と女性 (D) 同僚や友達

2. Your vessel is proceeding along a narrow channel and hears the signal “two prolonged and two short blasts” from astern How should your vessel respond if in agreement of overtaking? (A) Sound one prolonged, one short, one prolonged, one short blast (B) Sound two prolonged, two short blasts (C) Sound two prolonged, one short blast (D) Sound one prolonged, two short blasts