Universal Containers has automated its deployment process using Metadata API. However, they found that Metadata API doesn't support all the components yet. What should be done to address this?

A、Deploy unsupported components manually before/after deployment.
B、Use AppExchange products to deploy unsupported components.
C、Use change sets for deploying all the unsupported components.
D、Use the force.com IDE for deploying the unsupported components.