---- Mom, when shall we go to Weifang Museum this weekend?

---- Oh, sorry. I’m going to Beijing for a meeting. ____ Saturday ____. Sunday is OK.

A．Neither, nor

B．Both, and

C．Either, or

D．Not only, but also

对草酸盐抗凝剂，错误的叙述是（）。

A.草酸铵可使血细胞膨胀

B.双草酸盐可用于血细胞比容测定

C.对V因子保护差

D.可用于凝血象检查

E.可干扰血浆中钾、钠和氯的测定