某温度下，相同pH值的盐酸和醋酸溶液分别加水稀释，pH随溶液体积变化的曲线如图所示。据图判断正确的是

A．II为盐酸稀释时的pH值变化曲线

B．b点溶液的导电性比c点溶液的导电性强

C．a点K_W的数值比c点K_W的数值大

D．b点酸的总浓度小于a点酸的总浓度

— Alice is loving grandmother.

— Yeah, she _____ all her free time with her grandchildren. [ ]

A. pays

B. takes

C. uses

D. spends