Frozen II by BringMoreLegos

Question 1

"Who's into trivia? I am! ...Okay!" Olaf the snowman offers up a number of unusual facts throughout the film. Assuming a little semantic leeway, three of the following quotes are true. Which is undeniably incorrect?

(A) "Wombats poop squares."
(B) "[Humans] blink four million times a day."
(C) "Gorillas burp when they're happy."
(D) "Turtles can breathe through their butts."