"This month our family has used ______ water as we did last month." said Mother.[      ]

A. as twice as much

B. more than twice

C. twice as much as

D. more than twice as much

患者，女，33岁，已婚。孕5个月，面浮肢肿，肿处皮薄而光亮，按之凹陷不起，腰酸无力，下肢逆冷，舌淡苔白润，脉沉迟。诊为子肿，其证候是（）

A.脾虚

B.肾虚

C.气滞

D.血瘀

E.脾虚气滞