Two __ sessions went overtime at today's conference. a. speakers b. speaker's C. speakers'

## Step 1: Understand the Context<br />### The sentence provided is "Two \( \qquad \) sessions went overtime at today's conference." We need to determine which possessive form correctly fits in the blank. The context suggests that there are multiple sessions, likely involving multiple speakers.<br /><br />## Step 2: Analyze the Options<br />### - Option a ("speakers") is not possessive and does not fit grammatically in the sentence.<br />### - Option b ("speaker's") indicates possession by one speaker, which does not match the plural "sessions."<br />### - Option c ("speakers'") indicates possession by multiple speakers, which aligns with the plural "sessions."<br /><br />## Step 3: Choose the Correct Option<br />### Given that the sentence refers to multiple sessions, it is logical to assume these sessions belong to multiple speakers. Therefore, the correct possessive form is "speakers'."