单选题 Which of the following, if true, would most dearly have supported the conclusion referred to in lines 9—12?

A、 Ratings of productivity correlated highly with ratings of both accuracy and attendance.
B、 Electronic monitoring greatly increased productivity.
C、 Most supervisors based overall ratings of performance on measures of productivity alone.
D、 Overall ratings of performance correlated more highly with measures of accuracy than with measures of productivity.

【正确答案】 D

【答案解析】推论题。以下哪一个支持了第一段最后一句的结论?总结这个结论：雇主看重工人的因素有很多，如出勤率、正确率、顾客满意程度。所以D正确。总体表现评级与其说和生产能力，不如说和正确率尺度更相关。有效支持上述结论。A、B、C不合上述论述。