Answer:
#8. The twins took their dogs, Muttsy and Flopsy, for a walk in the park.
Explanation:
#9. Jeff wants to be just like the Cookie Monster!
#10. Some people don't like Barney.
#11. Logan is Wolverine's real name, but he is also called Patch.
Answer:
b) The king not only made a fool of himself, but also all of his attendants.
Explanation:
This answer deems most valid compared to the rest because it uses proper grammar, and the use of the comma.