Which method of deduplication yields better deduplication results for multiple data types?

Which method of deduplication yields better deduplication results for multiple data types?
A . Variable segment size due to its ability to split the data stream into segments
B . Variable segment size due to its ability to add data to a variable segment and move the data stream
C . Fixed segment-based due to its ability to allow sub-file chunking of data
D . Fixed segment size due to its ability to add data to a fixed segment and move the data stream

Answer: A