The line from the text that suggests Justin's alternative plan worked is D. "Besides," he said, "I would miss all the practice driving with you."
This refers to the storytelling that is made about a particular thing and also the events and their order of occurrence.
Hence, we can see that from the complete text, there is the narration of Justin teaching someone how to drive and he sees that she is nervous and decides to try another thing and option D shows how this worked.
Read more about narration here:
https://brainly.com/question/1934766
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