Which of the Following Statements About the Mass Extinction at the End

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

A) A meteorite was involved.
B) Many marine invertebrates and insect species died out.
C) Almost all land animals larger than about 25 kilograms, including dinosaurs, became extinct.
D) It was the largest mass extinction in Earth's history.
E) All of the above are true; none is false.