"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. Younger-age group",  
    "B. Middle-age group",  
    "C. Older-age group",
    "D. The rejection rate is evenly distributed across all age groups.", 
],  
"correct_answer": "A"