This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
The costal cailages of these ribs do not reach the sternum 
Select and explain. 
A. 11th & 12th, B. 1st & 2nd, C. 6th & 7th, D. 8th, 9th & 10th
D: 8th, 9th & 10th
Answer: D: 8th, 9th & 10th 
Explanation: 8,9,10 the ribs are joined to the next higher cailage B D CHOURASIAS HUMAN ANATOMY UPPER LIMB THORAX VOLUME, 1 SIXTH EDITION, Page no, 196