Which Statement About the Mass Extinction at the End of the Cretaceous

Which statement about the mass extinction at the end of the Cretaceous is false?

A) Strong evidence suggests that a meteorite was involved.
B) Many marine invertebrates and insect species became extinct.
C) Almost all land animals larger than about 25 kilograms, including dinosaurs, became extinct.
D) It happened approximately 65 million years ago.
E) All of the early birds and mammals alive at that time became extinct.