42. (A) attempted (B) attempting (C) had attempted (D) was attempting

50. What does the term “interoperability” most likely mean as used in the above statement by CGA Deputy Commander Tseng Ho-chia? (A) Complete independence in patrol operations. (B) Patrol focus on economic rather than security cooperation. (C) Ability of forces to work together effectively. (D) Competition between different nations’ coast guards.