Which sentence contains an incorrect possessive form?

A.
My aunt and uncle's new house is in Delaware.

B.
I read both Grant's and Kendrick's essays yesterday.

C.
Eric and Ryan's soccer team is the only team that my uncle coaches.

D.
Both Shira and Kate's feet were sore after the long hike.

Question

Which sentence contains an incorrect possessive form?	
 
 A.
My aunt and uncle's new house is in Delaware.
 
 B.
I read both Grant's and Kendrick's essays yesterday.
 
 C.
Eric and Ryan's soccer team is the only team that my uncle coaches.
 
 D.
Both Shira and Kate's feet were sore after the long hike.

mathmale · Answer

Please post questions such as this one in the English section.  Thank you.

anonymous · Answer

@mathmale this is english

anonymous · Answer

or so my screen says

mathmale · Answer

I'm in the Math section and your post appeared there.  Apparently it's a software glitch.  Ignore my post.  Sorry.

anonymous · Answer

It is ok. computers do that sometimes.

mathmale · Answer

Which of the four answer choices looks/sounds worst to you?

anonymous · Answer

d

mathmale · Answer

I'd agree with that.  Why do you think it's D?

anonymous · Answer

it says both shikira and kate's when it should say both Shikira's and Kate's

mathmale · Answer

Right on.  Good going.  Good luck to you!