The other three options state clear facts that are hard to be biased on. The journal the article is published in, for example, is something you can only get right or wrong, not be biased on. The statement in A seems most likely to be biased, as one could possibly argue that another dinosaur is larger or something similar.
Some good tips for writing an essay are: - 5 paragraphs or more - correct spelling, grammar, and punctuation. - conclusion - introduction - add finishing touchs - proofread
