Direction: Read the given sentence to find out whether there is any grammatical/contextual error in it. The error, if any, will be in one part of the sentence. If no part in the sentence has an error then, mark 'No Error' as your answer. Consider the part in bold as grammatically correct. (Ignore punctuation errors, if any).

Clunky, costly, highly regulated health systems/, often dominated by rent-seeking middlemen(A)/, are being shakened up by companies that (B)/ target patients directly and (C)/ give them more control over how to access care.(D)