That hall is________ this one. Let's go to ________ one.

A．three times the size of；a big

B．three times as big as；the bigger

C．three times bigger than；a big

D．three times as bigger as；the bigger

下列各组疾病中，全部与激素分泌异常有关的一组是

A．呆小症、侏儒症

B．夜盲症、白化病

C．脚廯、糖尿病

D．冠心病、佝偻病