Which of the following are important elements for the main idea of each paragraph in narrative writings?
A、who
B、what
C、where
D、when

单项选择题When the auditor decides to audit around the computer to obtain an understanding of the client's internal controls related to the IT system. （ ）A.对B.错

单项选择题Which of the following is not the major function of liver? A、Production of bile B、Clearing the blood of drugs and other poisonous substances C、Secretion of digestive enzymes D、Production of certain proteins for blood plasma