In Spark application development, which of the following codes can correctly count words?

Question

Options

• Aval counts = textFile.map (line => line.split ("')).map (-rd => (word, 1)).reduceByKey(_ +_)
• Bval counts = textFile.flatMap (line=>line.split (" ")).map (word => (word, 1)).reduceByKey(_ +_)
• Cval counts = textFile.map (line=>line.split (" ")).map (word => (word, 1)).groupByKey ()
• Dval counts = textFile.flatMap (line=>line.split (" ")).map (word => (word, 1)).groupByKey ()

• A
  4% (2)
• B
  71% (35)
• C
  8% (4)
• D
  16% (8)

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