A．They should prevent their clients' personal information from being known by others．
B．They are not entitled to getting any personal information about their clients．
C．They are not supposed to keep secret what their clients tell them．
D．They have no rights to know their clients' personal information．

A．He would be irritated and become very aggressive．
B．He would be angry but try to control his temper and calm down．
C．He would become frigid and inhospitable．
D．He would feel greatly ashamed and behave embarrassedly．

A．The level of saltiness in the ocean is extraordinarily high．
B．The average level of salinity in the ocean is higher than that of inland lakes．
C．Salt has been gradually accumulating in the ocean．
D．Salt has accumulated very quickly at the early stage of life formation．