He _____ busy yesterday, or he _ you with your experiment. A was, had helped

He _______ busy yesterday, or he ___ you with your experiment.

A was, had helped B was , would have helped

C. had been, would had helped D had been, would help

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He _______ busy yesterday, or he ___ you with your experiment. A was, had helped

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He _____ busy yesterday, or he _ you with your experiment. A was, had helped