Imo A
C and D are out because they use where to refer to internet .
E is wordy and use those of does not refer back to anything , it should refer back to the The lines of competition but in E this does not happen .
Also note that we need companies that compete one day to correctly reflect the idea that competitors can become partners .
B is missing that although comparison is correct here .
Competing companies one day what ?
Does not make sense .
C and D are out because they use where to refer to internet .
E is wordy and use those of does not refer back to anything , it should refer back to the The lines of competition but in E this does not happen .
Also note that we need companies that compete one day to correctly reflect the idea that competitors can become partners .
B is missing that although comparison is correct here .
Competing companies one day what ?
Does not make sense .








