He spoke very slowly and clearly ______ I understood him.

  A. in order that  B. in case      C. so that           D. as if

He spoke very slowly and clearly ______ I understood him.

  A. in order that  B. in case      C. so that           D. as if

.He spoke very slowly and clearly ______ I understood him.

  A. in order that  B. in case      C. so that           D. as if