I sent the letter early that morning _______ she got it that afternoon.

1. A.
   in order that
2. B.
   so that
3. C.
   for purpose that
4. D.
   in order for

I sent the letter early that morning _______ she got it that afternoon.

 A. in order that     B. so that           C. for purpose that D. in order for

I sent the letter early that morning _______ she got it that afternoon.

I sent the letter early that morning _______ she got it that afternoon.