NOTE : One of my test papers is saying the answer is A, other online test papers are saying C, BUT Chegg consultant is saying B (without any justification which I am not convinced hence ) resubmitting the request once again ............. I need the correct answer with justification. please don't answer if you don't have justification

A marketing company collects data from third-party providers and uses transient Amazon EMR clusters to process this data. The company wants to host an Apache Hive metastore that is persistent, reliable, and can be accessed by EMR clusters and multiple AWS services and accounts simultaneously. The metastore must also be available at all times. Which solution meets these requirements with the LEAST operational overhead? O A Use AWS Glue Data Catalog as the metastore B. Use Amazon RDS for MySQL as the metastore O C. Use an external Amazon EC2 instance running MySQL as the metastore OD. Use Amazon S3 as the metastore