C.after the appointed time
Answer:
C
Explanation:
The definition of an advertisement is a notice or announcement in a public medium promoting a product, service, or event or publicizing a job vacancy.
By promoting their product, the business hopes that people will take interest in their product, and hopefully by it.
Faulty parallelism is a construction in which two or more parts of a sentence are roughly equivalent in meaning but not parallel (or grammatically similar) in form. Faulty parallelism most often occurs with paired constructions and items in a series.