在5%葡萄糖输液中，葡萄糖酸钙注射液与泼尼松龙磷酸酯钠混配生成沉淀是由于：

A．pH值的改变

B．直接反应

C．溶媒组成的改变

D．电解质的盐析作用

E．聚合反应

Democratic Congressmen suggested that the government should ______.

A．be enthusiastic in providing a drug benefit to the people

B．Oppose the new legislation with thundering protests

C．give more money, so to speak, to medicine makers and retailers

D．provide financial assistance to people wanting to buy life insurance