In Each Set Below, Choose the Sentence That Uses the Correct

Multiple Choice

In each set below, choose the sentence that uses the correct coordinating or subordinating conjunction and that is punctuated correctly. Then select the letter of the correct answer. Which sentence uses the correct coordinating or subordinating conjunction and is correctly punctuated?

A) Alpert Construction could not put up the tool shed for another two months; therefore, we decided to build it ourselves.
B) Alpert Construction could not put up the tool shed for another two months, therefore, we decided to build it ourselves.
C) Alpert Construction could not put up the tool shed for another two months, therefore; we decided to build it ourselves.