When the men coughed he realized that the men were quite near to him:

(A) When the men coughed it realized by him that
the men were quiet near to him.
(B) When the men coughed it had realized by him that the men were quite near to him.
(C) When the men coughed it was realized by him that the men were quite near to him.
(D) When the men coughed it is realized by him the men ere quite near to him.