Which of the Following Is an Example of Using a Formal

Which of the following is an example of using a formal research method?

A) Luis talks with his boss to decide what items to include on the meeting agenda.
B) Amy conducts a Web search to find information about a competitor's products.
C) Galen looks in the company files for copies of minutes from previous meetings.
D) Makayla calls a few of her colleagues to learn how they feel about carpooling.