下列实验误差分析错误的是（   ）

A．滴定前滴定管内无气泡，终点读数时有气泡，所测体积偏小

B．用容量瓶配置溶液，定容时俯视刻度线，所配溶液浓度偏小

C．用湿润的pH试纸测稀碱液的pH，测定值偏小

D．测定中和反应反的应热时，将碱液缓慢倒入酸中，所测温度值偏小

Lingling is a ________ girl and she does everything ________.            [ ]

A. careless, careless                

B. carelessly, careless

C. careful, carefully                

D. carefully, careful