A cat with a previous diagnosis of diabetes mellitus confirmed by persistent fasting hyperglycemia and persistent glycosuria is presented for a routine check-up. The owner relates that she ran out of injectable insulin two months ago, but the cat seemed to do fine without it, so she stopped giving insulin shots. On physical exam, the cat appears healthy and a dipstick test shows a blood glucose level of 125 mg/dL (6.9 mmol/l) [normal 61-132 mg/dL (3.5-7.3 mmol/l)]. What is the most likely explanation?
前来就诊的一只猫先前经持续性空腹高血糖及持续性糖尿诊断为糖尿病。主人说她两个月前注射的胰岛素用完了，但是没有打针猫的状态似乎很好，所以她停止了注射胰岛素。体格检查发现这只猫很健康，快速血糖检查显示其血糖水平是125mg/dl（6.9mmol/l）[正常为 61-132 mg/dL (3.5-7.3 mmol/l)]。合理的解释是什么？
Find out the answer by clicking on one of the listed choices. Good luck!
点击列出的选项找出答案，祝大家好运
A - Type I diabetes mellitus I型糖尿病
B - Concurrent diabetes insipidus 并发尿崩症
C - Incorrect initial diagnosis 最初误诊
D - Diabetic remission 糖尿病缓解
E - Insulin resistance 胰岛素抵抗