This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
True statement 
Select and explain. 
A. Embryonic peroid : 9-20 weeks, B. Fertilization to implantation : 0-4 weeks, C. Embryonic period : 4-8 weeks, D. None
C: Embryonic period : 4-8 weeks
Answer: C: Embryonic period : 4-8 weeks 
Explanation: None