Which of the following statements about sampling errors is FALSE（）

A. Sampling errors are errors due to the wrong sample being selected from the population.

B. Sampling error is the difference between a sample statistic and its corresponding population parameter.

C. Sampling errors will vary from one sample to the next.

用一定的温度和加热时间，将药物煎煮所得的液体剂型是

A．煮剂
B．沸水泡药
C．煮散
D．煎剂
E．其他