Respuesta :
the answer is B.
there is no need to use a semi-colon or colon when therefore is used in a sentence. therefore is a transition work, semi-colons are used to separate two clauses and colons are used mostly for when listing things.
there is no need to use a semi-colon or colon when therefore is used in a sentence. therefore is a transition work, semi-colons are used to separate two clauses and colons are used mostly for when listing things.