Below is a run on sentence. Which of the following does not correct the run on sentence properly?

The students studied astronomy for a month they learned about the galaxy.

a. The students studied astronomy for a month; they learned about the galaxy.

b. Because the students studied astronomy for a month, they learned about the galaxy.

c. The students studied astronomy for a month, so they learned about the galaxy.

d. The students studied astronomy for a month, they learned about the galaxy.

Question

Below is a run on sentence. Which of the following does not correct the run on sentence properly? 

The students studied astronomy for a month they learned about the galaxy.

a. The students studied astronomy for a month; they learned about the galaxy.

b. Because the students studied astronomy for a month, they learned about the galaxy. 

c. The students studied astronomy for a month, so they learned about the galaxy.

d. The students studied astronomy for a month, they learned about the galaxy.

anonymous · Answer

It's B because the comma is incorrectly placed.

anonymous · Answer

Any other questions?

anonymous · Answer

ok your sure it isn't d

anonymous · Answer

Actually yess I read it wrong, Sorry, I didnt see the because. It's D. I'm positive.

anonymous · Answer

ok then, im glad i asked :D

anonymous · Answer

Yeah sorry about that haha

anonymous · Answer

Do you think you could give a medal?

anonymous · Answer

thank you for confirming my guess! I wasn't positive on D but now I am

anonymous · Answer

You're welcome. Any other questions you can just tag me! I'm really good with English questions!

anonymous · Answer

ok will do!