Which of the following commands will reduce all consecutive spaces down to a single space?
A. tr "s”'<a.txt> b.txt
B. tr-c ” < a.txt> b.txt
C. tr-d ”< a.txt> b.txt
D. tr-r”’n'< a.txt > b.txt
E. tr-s ”<a.txt>b.txt
Which of the following commands will reduce all consecutive spaces down to a single space?
A. tr "s”'<a.txt> b.txt
B. tr-c ” < a.txt> b.txt
C. tr-d ”< a.txt> b.txt
D. tr-r”’n'< a.txt > b.txt
E. tr-s ”<a.txt>b.txt