Instructions: in Each Set Below, Select the Letter of the Sentence

Multiple Choice

Instructions: In each set below, select the letter of the sentence in which all the apostrophes are used correctly. In which sentence are apostrophes used correctly?

A) During the summer of 09, my friend s spent a week at my aunt s house in Alaska.
B) During the summer of 09, my friends spent a week at my aunts house in Alaska.
C) During the summer of 09, my friends spent a week at my aunt s house in Alaska.