The appropriate preterite form of 'hacer' to complete the sentence is 'hicieron' since it matches the plural subject 'mis estudiantes'. The other options do not fit this context. Use 'hicieron' to indicate that the students completed an action of asking questions. ;
The correct preterite form to complete the sentence is 'hicieron,' as it corresponds to the plural subject 'mis estudiantes.' The other options do not fit because they either reference a different subject or tense. Hence, the chosen option is B. hicieron.
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