单项选择题

‌For the standard F-test, which statement is correct?‍

A.the standard F-test is applicable when error terms show serial correlation
B.the standard F-test should not be used under heteroskedasticity.
C.the standard F-test should not be used when regressors show near-mulcollinearity.
D.the standard F-test should not be used in testing a single restriction.
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