Point out the correct statement.

Point out the correct statement.
A. Hadoop is an ideal environment for extracting and transforming small volumes of data
B. Hadoop stores data in HDFS and supports data compression/decompression
C. The Giraph framework is less useful than a MapReduce job to solve graph and machine learning
D. None of the mentioned

Answer:
B. Hadoop stores data in HDFS and supports data compression/decompression