(15) That’s why today chipmunkses’ coats all have stripes.
How can sentence 15 best be written?

A. That’s why today chipmunks’s coats all have stripes.

B. That’s why today chipmunks’ coats all have stripes.

C. That’s why today chipmunk’s coats all have stripes.

D. That’s why today chipmunks coats all have stripes.