When Autocorrelation Is Present, One of the Assumptions of the Regression

When autocorrelation is present, one of the assumptions of the regression model is violated and that assumption is the _____.

A) expected value of the error term ε is zero
B) variance of the error term ε is the same for all values of x
C) values of the error term ε are independent
D) values of the error term ε are normally distributed for all values of x