With his soldiers ________ for months, the general became even more worried when he thought that the enemy might began another attack at dawn.

1. A.
   surrounded;
2. B.
   to surround;
3. C.
   surrounding;
4. D.
   being surrounded;

With his soldiers ________ for months, the general became even more worried when he thought that the enemy might began another attack at dawn.

    A. surrounded;     B. to surround;      C. surrounding;        D. being surrounded; 

With his soldiers ________ for months, the general became even more worried when he thought that the enemy might began another attack at dawn.