Sentence Correction (SC) | Re: Used until the end of the Second World War,the German army

The original sentence uses the introductory adjective modifier “used until the end of the Second World
War”; The U-boat, the subject of the modifier, should immediately follow the modifying phrase.
Additionally, the expression “both military or civilian” is unidiomatic; the correct idiom is “both military
and civilian.”

(A) This choice is incorrect as it repeats the original sentence.

(B) CORRECT. The noun “U-boat” properly functions as the subject of the modifying phrase.
Additionally,
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