Answer:
B
Explanation:
The internet helps you search for information not found on libraries. You could find recent published articles which would also be found on the Library; you could also find random post from blogs which are updated frequently which may not be in a library.
The internet helps you choose sources that tailors around your research area. It gives you an idea of sources and when it was published.
It's definitely answer D. The other choices don't make sense, such as choice C, it uses a past tense verb. If I were you, I would use process of elimination by eliminating the answers that don't make sense, or don't sound right in the sentence.
It's definitely C hope this helps