Which of the following describes how clustering keys work in Snowflake?

Which of the following describes how clustering keys work in Snowflake?
A . Clustering keys update the micro-partitions in place with a full sort, and impact the DML operations.
B . Clustering keys sort the designated columns over time, without blocking DML operations
C . Clustering keys create a distributed, parallel data structure of pointers to a table’s rows and columns
D . Clustering keys establish a hashed key on each node of a virtual warehouse to optimize joins at run-time

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Answer: B