Which line does the LEAST to develop the argument that the speaker is not to blame for the death of the young woman? A) Little over one mile away, the car that I was driving on an unlit road went off a narrow bridge which had no guard rails and was built on a left angle to the road. B) I made immediate and repeated efforts to save Mary Jo by diving into the strong and murky current, but succeeded only in increasing my state of utter exhaustion and alarm. C) There is no truth, no truth whatever, to the widely circulated suspicions of immoral conduct that have been leveled at my behavior and hers regarding that evening. There has never been a private relationship between us of any kind. D) Instead of looking directly for a telephone after lying exhausted in the grass for an undetermined time, I walked back to the cottage where the party was being held and requested the help of two friends, my cousin, Joseph Gargan and Phil Markham, and directed them to return immediately to the scene with me -- this was sometime after midnight -- in order to undertake a new effort to dive down and locate Miss Kopechne