A Company Has an Ecommerce Application Running in a Single

A company has an ecommerce application running in a single VPC. The application stack has a single web server and an Amazon RDS Multi-AZ DB instance. The company launches new products twice a month. This increases website traffic by approximately 400% for a minimum of 72 hours. During product launches, users experience slow response times and frequent timeout errors in their browsers. What should a solutions architect do to mitigate the slow response times and timeout errors while minimizing operational overhead?

A) Increase the instance size of the web server.
B) Add an Application Load Balancer and an additional web server.
C) Add Amazon EC2 Auto Scaling and an Application Load Balancer.
D) Deploy an Amazon ElastiCache cluster to store frequently accessed data.