The Validity Coefficient Calculated for a Selection Instrument (When It

The validity coefficient calculated for a selection instrument (when it is used to predict job performance) is +0.99.This means that:

A) as performance on the selection instrument increases,so do ratings of job performance
B) as performance on the selection instrument increases,ratings of job performance decrease
C) the coefficient is negative,so there is no relationship between the selection instrument and job performance ratings
D) there is a strong relationship between the results of the selection instrument and ratings of job performance
E) both a and d