Question: Which answer best describes what this script does? 1 BEGIN { 2 MYVAR=0 3 } 4 { 5 OC[$1]++ 6 } 7 END { 8

Which answer best describes what this script does?

 1 BEGIN { 2 MYVAR=0 3 } 4 { 5 OC[$1]++ 6 } 7 END { 8 for (C in OC) { 9 print C,OC[C] 10 } 11 }
Does nothing; arrays must be indexed with an integer
Does nothing; the array used on line 5 was never declared
Prints a list of field 1 values and a count of how many times that value was encountered
Runs, but prints nothing. The process block is missing a pattern statement

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