which of the following statements is correct?

In Amazon ElastiCache, which of the following statements is correct?

A.
When you launch an ElastiCache cluster into an Amazon VPC private subnet, every cache node
is assigned a public IP address within that subnet.

B.
You cannot use ElastiCache in a VPC that is configured for dedicated instance tenancy.

C.
If your AWS account supports only the EC2-VPC platform, ElastiCache will never launch your
cluster in a VPC.

D.
ElastiCache is not fully integrated with Amazon Virtual Private Cloud (VPC).

Explanation:
The VPC must allow non-dedicated EC2 instances. You cannot use ElastiCache in a VPC that is
configured for dedicated instance tenancy.
http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/AmazonVPC.EC.html