You have a .NET web service named Service1 that has the following requirements:
- Must read and write temporary files to the local file system.
- Must write to the Application event log.
You need to recommend a solution to host Service1 in Azure. The solution must meet the following requirements:
- Minimize maintenance overhead.
- Minimize costs.
What should you include in the recommendation?

A. an Azure App Service web app B. an Azure virtual machine scale set C. an App Service Environment (ASE) D. an Azure Functions app