There are some health problems that, when _____ in time, can become bigger ones later on.

A．not treated

B．not being treated

C．not to be treated

D．not having been treated

对液体制剂质量要求错误者为

A．溶液型药剂应澄明
B．分散媒最好用有机分散媒
C．有效成分浓度应准确、稳定
D．乳浊液型药剂应保证其分散相小而均匀
E．制剂应有一定的防腐能力