One of the AWS Account Owners Faced a Major Challenge

Multiple Choice

One of the AWS account owners faced a major challenge in June as his account was hacked and the hacker deleted all the data from his AWS account. This resulted in a major blow to the business. Which of the below mentioned steps would not have helped in preventing this action?

A) Setup an MFA for each user as well as for the root account user.
B) Take a backup of the critical data to offsite / on premise.
C) Create an AMI and a snapshot of the data at regular intervals as well as keep a copy to separate regions.
D) Do not share the AWS access and secret access keys with others as well do not store it inside programs, instead use IAM roles.