患者，男，16岁。1型糖尿病2年，平时应用猪胰岛素治疗，饮食控制严格，血糖控制满意。近2个月来在无明显诱因情况下血糖控制不佳，胰岛素用量每日已达96U，未发生低血糖反应，最可能的原因是()

A．使用了过期的胰岛素

B．胰岛素过敏

C．体内对抗胰岛素的激素分泌过多

D．可能发生了糖尿病肾病

E．可能体内产生了胰岛素抗体

If difference between accounting profit and taxable income is temporary, deferred tax liabilities are created when:

A. financial accounting income tax expense is less than regulatory income taxes payable.
B. financial accounting income tax expense is more than regulatory income taxes payable.
C. accounting profit isless than taxable income.