Answer:
A. Make sure you cite a reliable source.
Explanation:
B. There are many unreliable materials that could be simply "printed". Being printed does not show reliability.
C. Since Wikipedia can be edited by anyone may find it untrustable to use.
D. Many .com websites can be a fake commericial website that has "fake" news.
Therefore A is the best choice for quoting a statistic. Citing from a reliable source will allow for trustability to be gained by the readers for your work.
Mrs. Louis could ask Mr.Hollembeak for <em>further details about his findings and report.</em>
The discussion <em>aims to get the thruth</em> about a possible leak of information by not properly encrypted files. Mr. Hollembeak defends himself stating that concerning his knowledge and responsabilities he is innocent of any negligence for his department's security protocol was up to date.
If Mrs. Louis wants to be an effective participant in the discussion she could ask Mr.Hollembeak further details about his findings and report in order to discover any contradictions in his statement and then feel free to move to another topic.
