Answer:
The answer would be C.
Step-by-step explanation:
First of all the libary cannot give information from all around the world.
The information on the internet is not always trustworthy because some companies have biased answers.
She also does not need to use the internet because she has more than enough time (1 month) to finish her report and doesn't need straight away answers.
Below I have attached the answers and underlined in red the key points the figuring out the answer.
Hope I helped.