Which of the following is an example of test bias?

A. Jonah write his exam in English, so he allows his non-native English speaking students use Google translate during exams.

B. All of Ayog's students feel like his tests accurately assesses their knowledge.

C. Kyree tells her class that they'll have to finish the 100-question test in 60 minutes even though her other class got 90 minutes.

D. Crystal has her students type out their essay answers and write their names on the back of their exam sheets.