Which sentence does not correct this run-on sentence?   kenny's dad has a collection of guitars sometimes he lets us play them.   a. kenny's dad has a collection of guitars, and sometimes he lets us play them.   b. kenny's dad has a collection of guitars, sometimes he lets us play them.   c. kenny's dad has a collection of guitars. sometimes he lets us play them.   d. kenny's dad has a collection of guitars; sometimes he lets us play them.

Hey there!

D doesn't fix the sentence. 

Hello!

As option B is missing a conjunction after the comma, the sentence is still a run-on. All of the other options are correctly punctuated. Without the conjunction, option B is a run-on sentence that is read with an unnecessary pause. 

I hope this helps you!

Delegates: representatives who cast votes at a political party's national convention. binding: if a primary or caucus is “binding” that means the delegates won in that contest are legally bound to vote for a particular candidate at the parties national convention.a primary is a preliminary election used to determine a party's nominee for a specific office. the winner of the party's caucus, or primary, wins the party nomination for that state. then the delegates meet at their party's national party convention, which is a formal gathering of all party delegates from all states.