Final answer:
The correct answer is 8:00 PM (option C).
Step-by-step explanation:
The subject of this question is business, and it is appropriate for high school students.
The question asks about the time at which Manpower Central should notify DDC of a member who has not checked in. According to the given information, the correct answer is 8:00 p.m. (option C).
The reference quote mentions that the Congress shall assemble at noon on the 3rd day of January. This is unrelated to the question and can be disregarded.