Tracie Is Gathering Sources of Support for Her Persuasive Speech

Tracie is gathering sources of support for her persuasive speech on animal testing for medical purposes.She makes use of Web sources and has a great deal of relevant material.However,when outlining the speech,she can't find the source of many of the facts and statistics she plans to use.What most likely caused Tracie's problem?

A) Tracie did not get full citations on her sources,but can still orally cite what she remembers.
B) Tracie failed to develop a preliminary bibliography with all the necessary material to locate the sources.
C) Tracie violated a principle of outlining; never insert supporting material into an outline for a speech.
D) Tracie doesn't have a problem; facts and statistics do not need to be formally cited in a speech.