Driving Sid to the airport, the weather was cold and rainy.

The opening phrase “Driving Sid to the airport” needs to describe the person doing the driving. In the original sentence, it appears to describe “the weather,” which cannot drive Sid. Choice B makes the subject clear by saying “when I drove Sid to the airport,” so the weather is correctly described as cold and rainy at that time.

AI-written and checked against the verified answer.