The psychologist used a white lie to ______.
A.weaken the participants’ worry B.monitor the participants’ reaction C.increase the difficulty of the tests D.correct biases associated with age正确答案D
The psychologist used a white lie to ______. 
The psychologist used a white lie to ______.
A.weaken the participants’ worry B.monitor the participants’ reaction C.increase the difficulty of the tests D.correct biases associated with age正确答案D
