影响毒作用的最主要因素是

A．毒性

B．剂量、浓度

C．两种或两种以上毒物的联合作用

D．个体差异

E．毒物的作用时间

The meat is _____dear and eating ____meat is bad for your health.

A．too much,much too

B．too much,too much

C．much too,too much

D．Much too,much too