Final answer:
The correct verb tense is 'was being made,' indicating the process of making history was happening in the past.
Step-by-step explanation:
The correct option is 2. Was being made.
In this context, 'being made' is the correct verb tense to use. It indicates that the process of making history was happening at a specific point in the past. The sentence implies that the students were fortunate enough to witness history in the making.
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