What activity is the origin of the phrase ""flash in the pan""?.

This is a compound sentence because it uses fanboys the s stands for since.

Singular third person pronouns are “he,” “she,” “it,” “his,” “hers,” “him” and “her,” and third person plural pronouns are “they,” “them” and “their.” the number of people to which you are referring should always match the pronoun you choose (“he” to refer to one male, “they” to refer to more than one male).

Answer:   [d]:   "it explains when the article was last updated." 

The 4th option is correct