Choose the correct transformation: "Despite the heavy rain, the event continued as planned."

Since it was raining heavily, the event continued as planned

Because it was raining heavily, the event continued as planned

Although it was raining heavily, the event continued as planned

In spite of raining heavily, the event continued as planned

The correct transformation is: Although it was raining heavily, the event continued as planned."

It accurately conveys the contrast between the heavy rain and the event proceeding as intended.