What action would minimize the Lambda compute time consumed?

A Developer is creating a Lambda function and will be using external libraries that are not included in the standard Lambda libraries.

What action would minimize the Lambda compute time consumed?
A . Install the dependencies and external libraries at the beginning of the Lambda function.
B . Create a Lambda deployment package that includes the external libraries.
C . Copy the external libraries to Amazon S3, and reference the external libraries to the S3 location.
D . Install the external libraries in Lambda to be available to all Lambda functions.

Answer: D