Which of the following sentences is
punctuated correctly?
A. I am often mistaken for my brother; however we
are nothing alike.
B. I am often mistaken for my brother, however, we
are nothing alike.
C. I am often mistaken for my brother; however, we
are nothing alike.
When writing a compound sentence, you put a semi-colon before 'however' followed by a comma. When starting a sentence with 'however' a comma comes after.