Select the sentence that is punctuated correctly. (Points : 1)
Zora has a family emergency in the middle of week 2. She sends an email therefore, to her instructor and advisor.
Zora has a family emergency in the middle of week 2. She sends an email, therefore, to her instructor and advisor.
Zora has a family emergency in the middle of week 2. She sends an email, therefore to her instructor and advisor.