Question

Mary kept quiet about the accident ________ lose her job．

1. A.
   so not as to
2. B.
   so as not to
3. C.
   so as to not
4. D.
   not so as to

Answer 1

B
句意为：“玛丽对这件事故保持缄默，以防失去工作。”so as to…“为了……”。否定形式是so as not to…。