B) You should avoid electronic sources such as databases and websites.
Explanation:
Statement B which says "you should avoid electronic sources such as databases and websites"<em> </em>is false because It would be appropriate to a formal research.
In a formal reaserch you need to recover information from different sources in order to have a complete research.
Stament A says "you should gather information from several different sources" that include some electronic sources such as databases and websites.
The best answer would be the C<span>)You should use short sentences and abbreviations to take notes. This</span><span> statement about conducting formal research is false.</span>