[ Tenses ]
The students had been waiting for several minutes when the lecturer came
A. Present Continuous Tense
B. Present Perfect Continuous Tense
C. Past Continuous Tense
D. Past Perfect Continuous Tense

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Evaluate the impact of the dependent clause in this sentence: “Because he was late, he missed the bus.”
A. It explains why he missed the bus.
B. It shows a sequence of events.
C. It provides a contrast.
D. It adds a condition.