How does the size of Gigantoraptor compare to the largest earlier-discovered oviraptorosaur Citipati?

A. It is approximately three times as long and 35 times heavier than Citipati
B. It is five times as long and 50 times heavier than Citipati
C. It is twice as long and 10 times heavier than Citipati
D. It is roughly the same size as Citipati
Answer: 