【名词&注释】
水溶性(water-soluble)、静脉注射(intravenous injection)、皮下注射(subcutaneous injection)、肌肉注射(intramuscular injection)、雪花膏(vanishing cream)、软组织内
[单选题]除另有规定外,水溶性基质栓剂的融变时限为()
A. 15min B. 30min C. 45min D. 60min E. 75min