It was __________ great shock to the world that a French airplane got missing over __________ Atlantic Ocean on June 1^st, 2009.

It was ______ great shock to the world that a French airplane got missing over ______ Atlantic Ocean on June 1st, 2009.

1. A.
   a; /
2. B.
   the; the
3. C.
   a; the
4. D.
   /; the

It was __________ great shock to the world that a French airplane got missing over __________ Atlantic Ocean on June 1^st, 2009.