Sentence Correction (SC) | Re: A new technique was devised at a German blood bank to use light treatm

A.intention of new technique is to destroy viruses ,not using light. Meaning error

B.Parallelism error

C.Using light treatment is modifying new technique.Was devised at German Blood bank and is being developed for use on international basis, is perfect parallel structure.
D.Meaning error..light treatment that exists error

E.light treatment that exist .. complete mess

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