Select the answer that contains the correct punctuation for the following sentence.

Presidents wives have always played important social roles.

A. The sentence is correct.
B. President's' wives...
C. President's wives...
D. Presidents' wives...

I think it's D?

Correct!

Okay great, thank you!

one more question is NASA (National Aeronautics and Space Administration) written like N.A.S.A. or NASA?

It's official website does not use periods.

http://www.nasa.gov/

okay thanks!

You're welcome. But I goofed! It's should be its.

Yes, you are correct. The answer is D.

To figure out the correct punctuation for this sentence, you need to determine whether the word "Presidents" is singular or plural possessive.

In this case, there are multiple presidents being referred to, so it should be plural possessive. To form the plural possessive, you add an apostrophe after the final "s" in the word. Therefore, the sentence should be written as "Presidents' wives have always played important social roles."

Option D, "Presidents' wives..." demonstrates the correct punctuation.