________ from space, the earth , with water_______ seventy percent of the surface , looks like a blue ball.

  A. Seen ; covered                       B. Seen ; covering

  C. seeing ; covering                     D. Seeing ; covering

________ from space, the earth , with water_______ seventy percent of the surface , looks like a blue ball.

  A. Seen ; covered                       B. Seen ; covering

  C. seeing ; covering                     D. Seeing ; covering

______from space, the earth, with water _____seventy percent of its surface looks like a blue ball.

______from space, the earth, with water _____seventy percent of its surface looks like a blue ball.

   A. Seen; covered  B. Seen; covering  C. Seeing; covered D. Seeing; covering