Which sentence is punctuated correctly?

Question

anonymous · Answer

At the age of 46, Bill Clinton was elected president for the first time
At the age of 46, Bill Clinton, was elected president, for the first time.
At the age of 46, Bill Clinton was elected president for the first time.
At, the age of 46, Bill Clinton, was elected president for the first time

anonymous · Answer

C :)

anonymous · Answer

I agree with C. 

But no Direct Answers please, @ChrisRavens.

anonymous · Answer

Sorry im new to this just wanting to help and get help haha :) @ kels200105

anonymous · Answer

It's okay :) Maybe if you posted your question in History you'd get more answers :) @ChrisRavens

anonymous · Answer

Thank you for your help it means a lot :) and ill be sure to tell the person how to get the answer and make sure they understand as well ;)  @kels200105