Which sentence contains a punctuation error?

A.
Her father-in-law is a skilled carpenter, so he's helping them remodel their kitchen.

B.
My daughter is running for mayor of the town against her cousin.

C.
The jack-in-the-box made the baby laugh but frightened the cat.

D.
You can use this atlas to locate islands in the mid Pacific.

Question

Which sentence contains a punctuation error?	
 
 A.
Her father-in-law is a skilled carpenter, so he's helping them remodel their kitchen.
 
 B.
My daughter is running for mayor of the town against her cousin.
 
 C.
The jack-in-the-box made the baby laugh but frightened the cat.
 
 D.
You can use this atlas to locate islands in the mid Pacific.

anonymous · Answer

I would think that D is the answer, since "mid Pacific" should be "mid-Pacific."