下述哪项是错误的

A．血生长激素升高

B．馒头试验中生长激素不降低

C．继发性高血糖对胰岛素治疗反应良好

D．血磷升高

E．TRH刺激试验中生长激素升高

I received his mother’s telephone call at eleven．    that he was badly hurt in an accident yesterday．   

A．Then did I know

B．Only then I knew

C．Only then did I know

D．Only then knew I