Which of the Following Is the Most Accurate Definition of Concurrent

Which of the following is the most accurate definition of concurrent validity?

A) It is an estimate of whether a test appears to measure a certain criterion.
B) It is performed by demonstrating that the questions or problems posed by the test are a representative sample of the kinds of situations or problems that occur on the job.
C) It assesses the validity of a test by administering it to people already on the job and then correlating test scores with existing measures of each person's performance.
D) It seeks to establish an empirical relationship between test scores taken prior to being hired and eventual performance on the job.
E) It refers to the degree to which a measure is correlated with other measures that it is theoretically predicted to correlate with.