The correct answer is answer B "Britannica Online".
Britannica online only contains fact-checked information, so it's a good source that you can always trust.
Using a search engine could give you many un-checked facts or information that may be unsuitable for an essay.
Finally, CNN Interactive will offer very quick updates and is specialized on news items. The problem here, is that this is most definitely a biased source as it's part of a huge corporate network.
Hope this helps!
The blue ringed octopus is hard to see due to its size (about a pencil).
For A) to be correct, it should be "The deli Worker gave him and her free slice of ham. For B) to be correct, it should be Eric told them about his Journey. For D) is also wrong! With that being said, C has the correct object pronouns.
I think the answer must be of B no.
