Please elaborate on the question.
The bolded word here is the BESTSELLER. This kind of complement is a direct object complement. The adjective overnight denotes to the object bestseller which is an adjective. Another adjective complements another adjective, thus, the term direct object.
Answer is this
D-the author is speculating but not proving concrete evidence
Answer:
C. A strong argumentative essay should contain primary and secondary sources
Explanation:
NO INGLES ESPANOL? Te amp Senior amor caca A.