"text": "Given the percentage decrease is 16.77% compared to the age group with the second highest rejection rate, which age group has the highest rejection rate in the follwoing four choices?",  
"options": [  
    "A. 18.26%",
    "B. 15.63%",
    "C. 16.77%",
    "D. 21.37%",
],  
"correct_answer": "B"